12886904 has 16 divisors (see below), whose sum is σ = 24996600. Its totient is φ = 6221152.

The previous prime is 12886891. The next prime is 12886919. The reversal of 12886904 is 40968821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27542 + ... + 28005.

Almost surely, 2^12886904 is an apocalyptic number.

It is an amenable number.

12886904 is a deficient number, since it is larger than the sum of its proper divisors (12109696).

12886904 is a wasteful number, since it uses less digits than its factorization.

12886904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55582 (or 55578 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 12886904 is about 3589.8334223192. The cubic root of 12886904 is about 234.4496188837.

It can be divided in two parts, 1288 and 6904, that added together give a 13-th power (8192 = 2¹³).

The spelling of 12886904 in words is "twelve million, eight hundred eighty-six thousand, nine hundred four".