12631408 has 20 divisors (see below), whose sum is σ = 25913520. Its totient is φ = 5944064.

The previous prime is 12631387. The next prime is 12631417. The reversal of 12631408 is 80413621.

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, 22948 + ... + 23491.

It is an arithmetic number, because the mean of its divisors is an integer number (1295676).

Almost surely, 2^12631408 is an apocalyptic number.

It is an amenable number.

12631408 is an abundant number, since it is smaller than the sum of its proper divisors (13282112).

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

12631408 is a wasteful number, since it uses less digits than its factorization.

12631408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46464 (or 46458 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12631408 is about 3554.0692171087. The cubic root of 12631408 is about 232.8898642607.

The spelling of 12631408 in words is "twelve million, six hundred thirty-one thousand, four hundred eight".