12916679 has 2 divisors, whose sum is σ = 12916680. Its totient is φ = 12916678.

The previous prime is 12916669. The next prime is 12916721. The reversal of 12916679 is 97661921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12916679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12916619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6458339 + 6458340.

It is an arithmetic number, because the mean of its divisors is an integer number (6458340).

Almost surely, 2^12916679 is an apocalyptic number.

12916679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12916679 is an equidigital number, since it uses as much as digits as its factorization.

12916679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 12916679 is about 3593.9781579748. The cubic root of 12916679 is about 234.6300441174.

The spelling of 12916679 in words is "twelve million, nine hundred sixteen thousand, six hundred seventy-nine".