12716579 has 2 divisors, whose sum is σ = 12716580. Its totient is φ = 12716578.

The previous prime is 12716573. The next prime is 12716591. The reversal of 12716579 is 97561721.

It is a weak prime.

It is an emirp because it is prime and its reverse (97561721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12716579 is a prime.

It is a super-2 number, since 2×12716579² = 323422762926482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12716573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358289 + 6358290.

It is an arithmetic number, because the mean of its divisors is an integer number (6358290).

Almost surely, 2^12716579 is an apocalyptic number.

12716579 is a deficient number, since it is larger than the sum of its proper divisors (1).

12716579 is an equidigital number, since it uses as much as digits as its factorization.

12716579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 38.

The square root of 12716579 is about 3566.0312673896. The cubic root of 12716579 is about 233.4121350620.

The spelling of 12716579 in words is "twelve million, seven hundred sixteen thousand, five hundred seventy-nine".