13170917 has 2 divisors, whose sum is σ = 13170918. Its totient is φ = 13170916.

The previous prime is 13170907. The next prime is 13170931. The reversal of 13170917 is 71907131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10962721 + 2208196 = 3311^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 13170917 - 2¹² = 13166821 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13170917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13170907) 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, 6585458 + 6585459.

It is an arithmetic number, because the mean of its divisors is an integer number (6585459).

Almost surely, 2^13170917 is an apocalyptic number.

It is an amenable number.

13170917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13170917 is an equidigital number, since it uses as much as digits as its factorization.

13170917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 13170917 is about 3629.1758017489. The cubic root of 13170917 is about 236.1594548647.

The spelling of 13170917 in words is "thirteen million, one hundred seventy thousand, nine hundred seventeen".