12512904 has 32 divisors (see below), whose sum is σ = 31950720. Its totient is φ = 4081856.

The previous prime is 12512881. The next prime is 12512911. The reversal of 12512904 is 40921521.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4419 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (998460).

Almost surely, 2^12512904 is an apocalyptic number.

It is an amenable number.

12512904 is an abundant number, since it is smaller than the sum of its proper divisors (19437816).

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

12512904 is a wasteful number, since it uses less digits than its factorization.

12512904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12512904 is about 3537.3583363861. The cubic root of 12512904 is about 232.1592742991.

The spelling of 12512904 in words is "twelve million, five hundred twelve thousand, nine hundred four".