12986504 has 48 divisors (see below), whose sum is σ = 26690580. Its totient is φ = 5918720.

The previous prime is 12986503. The next prime is 12986507. The reversal of 12986504 is 40568921.

It can be written as a sum of positive squares in 6 ways, for example, as 7236100 + 5750404 = 2690^2 + 2398^2 .

It is a super-2 number, since 2×12986504² = 337298572284032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94724 + ... + 94860.

Almost surely, 2^12986504 is an apocalyptic number.

It is an amenable number.

12986504 is an abundant number, since it is smaller than the sum of its proper divisors (13704076).

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

12986504 is a wasteful number, since it uses less digits than its factorization.

12986504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12986504 is about 3603.6792310082. The cubic root of 12986504 is about 235.0520723599.

The spelling of 12986504 in words is "twelve million, nine hundred eighty-six thousand, five hundred four".