12624663424 has 32 divisors (see below), whose sum is σ = 25163053200. Its totient is φ = 6309230592.

The previous prime is 12624663397. The next prime is 12624663427. The reversal of 12624663424 is 42436642621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12624663427) 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, 249349 + ... + 295675.

Almost surely, 2^12624663424 is an apocalyptic number.

It is an amenable number.

12624663424 is a deficient number, since it is larger than the sum of its proper divisors (12538389776).

12624663424 is an equidigital number, since it uses as much as digits as its factorization.

12624663424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48470 (or 48458 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The spelling of 12624663424 in words is "twelve billion, six hundred twenty-four million, six hundred sixty-three thousand, four hundred twenty-four".