12631424 has 32 divisors (see below), whose sum is σ = 27103440. Its totient is φ = 5829120.

The previous prime is 12631417. The next prime is 12631427. The reversal of 12631424 is 42413621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12631424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132 + ... + 5459.

Almost surely, 2^12631424 is an apocalyptic number.

It is an amenable number.

12631424 is an abundant number, since it is smaller than the sum of its proper divisors (14472016).

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

12631424 is an equidigital number, since it uses as much as digits as its factorization.

12631424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618 (or 7606 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 12631424 is about 3554.0714680490. The cubic root of 12631424 is about 232.8899625933.

The spelling of 12631424 in words is "twelve million, six hundred thirty-one thousand, four hundred twenty-four".