12624979 has 2 divisors, whose sum is σ = 12624980. Its totient is φ = 12624978.

The previous prime is 12624883. The next prime is 12624991. The reversal of 12624979 is 97942621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12624979 - 2¹³ = 12616787 is a prime.

It is not a weakly prime, because it can be changed into another prime (12624179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312489 + 6312490.

It is an arithmetic number, because the mean of its divisors is an integer number (6312490).

Almost surely, 2^12624979 is an apocalyptic number.

12624979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12624979 is an equidigital number, since it uses as much as digits as its factorization.

12624979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 12624979 is about 3553.1646457771. The cubic root of 12624979 is about 232.8503462849.

It can be divided in two parts, 1262 and 4979, that added together give a square (6241 = 79²).

The spelling of 12624979 in words is "twelve million, six hundred twenty-four thousand, nine hundred seventy-nine".