12631404 has 24 divisors (see below), whose sum is σ = 29532160. Its totient is φ = 4202064.

The previous prime is 12631387. The next prime is 12631417. The reversal of 12631404 is 40413621.

12631404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12631404² = 319104734022432, which contains 22 as substring.

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, 9237 + ... + 10515.

Almost surely, 2^12631404 is an apocalyptic number.

It is an amenable number.

12631404 is an abundant number, since it is smaller than the sum of its proper divisors (16900756).

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

12631404 is a wasteful number, since it uses less digits than its factorization.

12631404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12631404 is about 3554.0686543735. The cubic root of 12631404 is about 232.8898396776.

The spelling of 12631404 in words is "twelve million, six hundred thirty-one thousand, four hundred four".