13012717 has 2 divisors, whose sum is σ = 13012718. Its totient is φ = 13012716.

The previous prime is 13012709. The next prime is 13012721. The reversal of 13012717 is 71721031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12595401 + 417316 = 3549^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012717 - 2³ = 13012709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506358 + 6506359.

It is an arithmetic number, because the mean of its divisors is an integer number (6506359).

Almost surely, 2^13012717 is an apocalyptic number.

It is an amenable number.

13012717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012717 is an equidigital number, since it uses as much as digits as its factorization.

13012717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 13012717 is about 3607.3143749887. The cubic root of 13012717 is about 235.2101153828.

Adding to 13012717 its reverse (71721031), we get a palindrome (84733748).

The spelling of 13012717 in words is "thirteen million, twelve thousand, seven hundred seventeen".