12865667 divided by 803 
Our goal is to divide 12865667 by 803.

Advancing to step 1:
The number 803 fits into 1 0 times, leaving a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Take the next digit (2) from the dividend and append it to 1, then repeat: 12 / 803

Step 2:
803 goes into 12 0 times with a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 12, we get 12.
Fetch the next digit (8) from the dividend, attach it to 12 and continue: 128 / 803

Let's proceed to step 3:
803 can be fit into 128 0 times, resulting in a remainder of 128.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 128 to get 128.
Take the next digit (6) from the dividend and append it to 128, then repeat: 1286 / 803

Advancing to step 4:
803 goes into 1286 1 times with a remainder of 483.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 803 from 1286 and we're left with 483.
Include the next digit (5) from the dividend after 483, then repeat: 4835 / 803

Step 5:
The number 803 fits into 4835 6 times, leaving a remainder of 17.
Record the quotient 6 as the next digit in the result. 
Result so far: 16.0
If we subtract 4818 from 4835, we get 17.
Bring next digit (6) of the dividend behind the 17 and repeat the process: 176 / 803

Let's proceed to step 6:
The number 803 fits into 176 0 times, leaving a remainder of 176.
The number 0 becomes the next digit in our result. 
Result so far: 160.0
Subtracting 0 from 176 leaves us with 176.
Take the next digit (6) from the dividend and append it to 176, then repeat: 1766 / 803

Moving on to step 7:
803 goes into 1766 2 times with a remainder of 160.
Put 2 as the next digit of the answer. 
Result so far: 1602.0
If we take 1606 away from 1766, we end up with 160.
Grab the next digit (7) from the dividend, add it to 160, then carry on: 1607 / 803

Step 8:
The number 803 fits into 1607 2 times, leaving a remainder of 1.
Put 2 as the next digit of the answer. 
Result so far: 16022.0
The remainder is 1 after subtracting 1606 from 1607.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 9:
803 can be fit into 10 0 times, resulting in a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 16022.0
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 10:
100 divided by 803 is 0 with a remainder of 100.
The next digit of our result is 0. 
Result so far: 16022.0
If we take 0 away from 100, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

In conclusion, the division gives 16022.0 with a balance of 0.1.