12502687904 has 36 divisors (see below), whose sum is σ = 28633391514. Its totient is φ = 5358294144.

The previous prime is 12502687891. The next prime is 12502687913. The reversal of 12502687904 is 40978620521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12450096400 + 52591504 = 111580^2 + 7252^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3985259 + ... + 3988394.

Almost surely, 2^12502687904 is an apocalyptic number.

12502687904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12502687904 is an abundant number, since it is smaller than the sum of its proper divisors (16130703610).

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

12502687904 is an equidigital number, since it uses as much as digits as its factorization.

12502687904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973677 (or 7973662 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12502687904 in words is "twelve billion, five hundred two million, six hundred eighty-seven thousand, nine hundred four".