13570717 has 2 divisors, whose sum is σ = 13570718. Its totient is φ = 13570716.

The previous prime is 13570681. The next prime is 13570721. The reversal of 13570717 is 71707531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7474756 + 6095961 = 2734^2 + 2469^2 .

It is a cyclic number.

It is not a de Polignac number, because 13570717 - 2⁷ = 13570589 is a prime.

It is equal to p₈₈₃₉₁₂ and since 13570717 and 883912 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13570747) 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, 6785358 + 6785359.

It is an arithmetic number, because the mean of its divisors is an integer number (6785359).

Almost surely, 2^13570717 is an apocalyptic number.

It is an amenable number.

13570717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13570717 is an equidigital number, since it uses as much as digits as its factorization.

13570717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 13570717 is about 3683.8454093515. The cubic root of 13570717 is about 238.5251977884.

The spelling of 13570717 in words is "thirteen million, five hundred seventy thousand, seven hundred seventeen".