Alright, let's work through 12493643 times 55839492 step by step
12493643 × 55839492 = 55839492 × (12493643)
+ 55839492 × 3 that equals 167518476
+ 55839492 × 40 yielding 2233579680
+ 55839492 × 600 that is equal 33503695200
+ 55839492 × 3000 that is equal 167518476000
+ 55839492 × 90000 producing 5025554280000
+ 55839492 × 400000 what gives us 22335796800000
+ 55839492 × 2000000 that is equal 111678984000000
+ 55839492 × 10000000 that equals 558394920000000

= 697638678349356
