12499683796 has 12 divisors (see below), whose sum is σ = 21944335252. Its totient is φ = 6229873728.

The previous prime is 12499683761. The next prime is 12499683809. The reversal of 12499683796 is 69738699421.

It can be written as a sum of positive squares in 2 ways, for example, as 1729395396 + 10770288400 = 41586^2 + 103780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4990635 + ... + 4993138.

Almost surely, 2^12499683796 is an apocalyptic number.

It is an amenable number.

12499683796 is a deficient number, since it is larger than the sum of its proper divisors (9444651456).

12499683796 is a wasteful number, since it uses less digits than its factorization.

12499683796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984090 (or 9984088 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 64.

The spelling of 12499683796 in words is "twelve billion, four hundred ninety-nine million, six hundred eighty-three thousand, seven hundred ninety-six".