12631504 has 40 divisors (see below), whose sum is σ = 26481440. Its totient is φ = 5816448.

The previous prime is 12631481. The next prime is 12631511. The reversal of 12631504 is 40513621.

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 7 ways as a sum of consecutive naturals, for example, 10687 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (662036).

Almost surely, 2^12631504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12631504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13240720).

12631504 is an abundant number, since it is smaller than the sum of its proper divisors (13849936).

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

12631504 is a wasteful number, since it uses less digits than its factorization.

12631504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12631504 is about 3554.0827227289. The cubic root of 12631504 is about 232.8904542549.

The spelling of 12631504 in words is "twelve million, six hundred thirty-one thousand, five hundred four".