12913624 has 16 divisors (see below), whose sum is σ = 24274800. Its totient is φ = 6440352.

The previous prime is 12913601. The next prime is 12913643. The reversal of 12913624 is 42631921.

It is a junction number, because it is equal to n+sod(n) for n = 12913592 and 12913601.

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, 1674 + ... + 5350.

It is an arithmetic number, because the mean of its divisors is an integer number (1517175).

Almost surely, 2^12913624 is an apocalyptic number.

It is an amenable number.

12913624 is a deficient number, since it is larger than the sum of its proper divisors (11361176).

12913624 is a wasteful number, since it uses less digits than its factorization.

12913624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122 (or 4118 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 12913624 is about 3593.5531163460. The cubic root of 12913624 is about 234.6115447466.

The spelling of 12913624 in words is "twelve million, nine hundred thirteen thousand, six hundred twenty-four".