13079569 has 2 divisors, whose sum is σ = 13079570. Its totient is φ = 13079568.

The previous prime is 13079519. The next prime is 13079593. The reversal of 13079569 is 96597031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 263169 = 3580^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 13079569 - 2⁷ = 13079441 is a prime.

It is a super-2 number, since 2×13079569² = 342150250451522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13079519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6539784 + 6539785.

It is an arithmetic number, because the mean of its divisors is an integer number (6539785).

Almost surely, 2^13079569 is an apocalyptic number.

It is an amenable number.

13079569 is a deficient number, since it is larger than the sum of its proper divisors (1).

13079569 is an equidigital number, since it uses as much as digits as its factorization.

13079569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 13079569 is about 3616.5686776280. The cubic root of 13079569 is about 235.6122198717.

The spelling of 13079569 in words is "thirteen million, seventy-nine thousand, five hundred sixty-nine".