13097065 has 4 divisors (see below), whose sum is σ = 15716484. Its totient is φ = 10477648.

The previous prime is 13097057. The next prime is 13097087. The reversal of 13097065 is 56079031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4210704 + 8886361 = 2052^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 13097065 - 2³ = 13097057 is a prime.

It is a super-2 number, since 2×13097065² = 343066223228450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1309702 + ... + 1309711.

It is an arithmetic number, because the mean of its divisors is an integer number (3929121).

Almost surely, 2^13097065 is an apocalyptic number.

It is an amenable number.

13097065 is a deficient number, since it is larger than the sum of its proper divisors (2619419).

13097065 is an equidigital number, since it uses as much as digits as its factorization.

13097065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619418.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 13097065 is about 3618.9867366433. The cubic root of 13097065 is about 235.7172293130.

The spelling of 13097065 in words is "thirteen million, ninety-seven thousand, sixty-five".