12860013604 has 9 divisors (see below), whose sum is σ = 22505420721. Its totient is φ = 6429893400.

The previous prime is 12860013587. The next prime is 12860013611. The reversal of 12860013604 is 40631006821.

It is a happy number.

The square root of 12860013604 is 113402.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8263173604 + 4596840000 = 90902^2 + 67800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 198454 + ... + 255154.

Almost surely, 2^12860013604 is an apocalyptic number.

12860013604 is the 113402-nd square number.

It is an amenable number.

12860013604 is a deficient number, since it is larger than the sum of its proper divisors (9645407117).

12860013604 is an frugal number, since it uses more digits than its factorization.

12860013604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113406 (or 56703 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 12860013604 in words is "twelve billion, eight hundred sixty million, thirteen thousand, six hundred four".