12605107904 has 56 divisors (see below), whose sum is σ = 26518136448. Its totient is φ = 5934366720.

The previous prime is 12605107891. The next prime is 12605107943. The reversal of 12605107904 is 40970150621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12449 + ... + 159264.

Almost surely, 2^12605107904 is an apocalyptic number.

It is an amenable number.

12605107904 is an abundant number, since it is smaller than the sum of its proper divisors (13913028544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12605107904 is a wasteful number, since it uses less digits than its factorization.

12605107904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171793 (or 171783 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 12605107904 in words is "twelve billion, six hundred five million, one hundred seven thousand, nine hundred four".