12513918 ÷ 649 
Let's see how many times 649 fits into 12513918.

On to step 1:
649 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Take the next digit (2) from the dividend and append it to 1, then repeat: 12 / 649

On to step 2:
If we divide 12 by 649, we get 0 and a remainder of 12.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 12 leaves us with 12.
Fetch the next digit (5) from the dividend, attach it to 12 and continue: 125 / 649

Step 3:
The number 649 fits into 125 0 times, leaving a remainder of 125.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 125 after subtracting 0 from 125.
Bring next digit (1) of the dividend behind the 125 and repeat the process: 1251 / 649

Let's proceed to step 4:
When dividing 1251 by 649, we get 1 with a remainder of 602.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 649 from 1251 and we're left with 602.
Fetch the next digit (3) from the dividend, attach it to 602 and continue: 6023 / 649

Going ahead to step 5:
When dividing 6023 by 649, we get 9 with a remainder of 182.
Put 9 as the next digit of the answer. 
Result so far: 19.0
Subtract 5841 from 6023 to get 182.
Append the next digit (9) from the dividend to 182 and continue with: 1829 / 649

Going ahead to step 6:
649 goes into 1829 2 times with a remainder of 531.
Write down 2 as next digit of the result. 
Result so far: 192.0
Deduct 1298 from 1829 and we're left with 531.
Fetch the next digit (1) from the dividend, attach it to 531 and continue: 5311 / 649

Advancing to step 7:
649 can be fit into 5311 8 times, resulting in a remainder of 119.
Record the quotient 8 as the next digit in the result. 
Result so far: 1928.0
The remainder is 119 after subtracting 5192 from 5311.
Grab the next digit (8) from the dividend, add it to 119, then carry on: 1198 / 649

Advancing to step 8:
649 goes into 1198 1 times with a remainder of 549.
Write down 1 as next digit of the result. 
Result so far: 19281.0
The remainder is 549 after subtracting 649 from 1198.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5490, and continue the process.

Step 9:
When dividing 5490 by 649, we get 8 with a remainder of 298.
Put 8 as the next digit of the answer. 
Result so far: 19281.8
If we take 5192 away from 5490, we end up with 298.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2980, and continue the process.

Going ahead to step 10:
649 goes into 2980 4 times with a remainder of 384.
Use 4 as the next digit of our solution. 
Result so far: 19281.84
If we subtract 2596 from 2980, we get 384.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3840, and continue the process.

Let's proceed to step 11:
If we divide 3840 by 649, we get 5 and a remainder of 595.
Use 5 as the next digit of our solution. 
Result so far: 19281.845
If we subtract 3245 from 3840, we get 595.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5950, and continue the process.

Let's proceed to step 12:
When dividing 5950 by 649, we get 9 with a remainder of 109.
Write down 9 as next digit of the result. 
Result so far: 19281.8459
Subtract 5841 from 5950 to get 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Step 13:
649 can be fit into 1090 1 times, resulting in a remainder of 441.
The number 1 becomes the next digit in our result. 
Result so far: 19281.84591
Subtracting 649 from 1090 leaves us with 441.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4410, and continue the process.

Moving on to step 14:
4410 divided by 649 is 6 with a remainder of 516.
Use 6 as the next digit of our solution. 
Result so far: 19281.845916
If we take 3894 away from 4410, we end up with 516.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5160, and continue the process.

Advancing to step 15:
649 can be fit into 5160 7 times, resulting in a remainder of 617.
Use 7 as the next digit of our solution. 
Result so far: 19281.8459167
Deduct 4543 from 5160 and we're left with 617.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6170, and continue the process.

Let's proceed to step 16:
649 can be fit into 6170 9 times, resulting in a remainder of 329.
Use 9 as the next digit of our solution. 
Result so far: 19281.84591679
The remainder is 329 after subtracting 5841 from 6170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3290, and continue the process.

The final outcome is 19281.84591679, with a leftover of 3.29e-07.