13160817 has 6 divisors (see below), whose sum is σ = 19010082. Its totient is φ = 8773872.

The previous prime is 13160731. The next prime is 13160821. The reversal of 13160817 is 71806131.

It can be written as a sum of positive squares in only one way, i.e., 8071281 + 5089536 = 2841^2 + 2256^2 .

It is not a de Polignac number, because 13160817 - 2⁸ = 13160561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13160827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731148 + ... + 731165.

It is an arithmetic number, because the mean of its divisors is an integer number (3168347).

Almost surely, 2^13160817 is an apocalyptic number.

It is an amenable number.

13160817 is a deficient number, since it is larger than the sum of its proper divisors (5849265).

13160817 is a wasteful number, since it uses less digits than its factorization.

13160817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462319 (or 1462316 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13160817 is about 3627.7840343659. The cubic root of 13160817 is about 236.0990738387.

Adding to 13160817 its reverse (71806131), we get a palindrome (84966948).

The spelling of 13160817 in words is "thirteen million, one hundred sixty thousand, eight hundred seventeen".