12815884 has 12 divisors (see below), whose sum is σ = 22464400. Its totient is φ = 6397488.

The previous prime is 12815867. The next prime is 12815923. The reversal of 12815884 is 48851821.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577 + ... + 5095.

Almost surely, 2^12815884 is an apocalyptic number.

It is an amenable number.

12815884 is a deficient number, since it is larger than the sum of its proper divisors (9648516).

12815884 is a wasteful number, since it uses less digits than its factorization.

12815884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232 (or 5230 counting only the distinct ones).

The product of its digits is 20480, while the sum is 37.

The square root of 12815884 is about 3579.9279322355. The cubic root of 12815884 is about 234.0181396803.

The spelling of 12815884 in words is "twelve million, eight hundred fifteen thousand, eight hundred eighty-four".