12736579 has 2 divisors, whose sum is σ = 12736580. Its totient is φ = 12736578.

The previous prime is 12736573. The next prime is 12736583. The reversal of 12736579 is 97563721.

It is a strong prime.

It is an emirp because it is prime and its reverse (97563721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12736579 - 2³ = 12736571 is a prime.

It is not a weakly prime, because it can be changed into another prime (12736571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368289 + 6368290.

It is an arithmetic number, because the mean of its divisors is an integer number (6368290).

Almost surely, 2^12736579 is an apocalyptic number.

12736579 is a deficient number, since it is larger than the sum of its proper divisors (1).

12736579 is an equidigital number, since it uses as much as digits as its factorization.

12736579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 12736579 is about 3568.8344035553. The cubic root of 12736579 is about 233.5344372815.

The spelling of 12736579 in words is "twelve million, seven hundred thirty-six thousand, five hundred seventy-nine".