13297265 has 4 divisors (see below), whose sum is σ = 15956724. Its totient is φ = 10637808.

The previous prime is 13297259. The next prime is 13297279. The reversal of 13297265 is 56279231.

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 2380849 + 10916416 = 1543^2 + 3304^2 .

It is a cyclic number.

It is not a de Polignac number, because 13297265 - 2¹² = 13293169 is a prime.

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, 1329722 + ... + 1329731.

It is an arithmetic number, because the mean of its divisors is an integer number (3989181).

Almost surely, 2^13297265 is an apocalyptic number.

It is an amenable number.

13297265 is a deficient number, since it is larger than the sum of its proper divisors (2659459).

13297265 is an equidigital number, since it uses as much as digits as its factorization.

13297265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659458.

The product of its digits is 22680, while the sum is 35.

The square root of 13297265 is about 3646.5415121729. The cubic root of 13297265 is about 236.9122085181.

The spelling of 13297265 in words is "thirteen million, two hundred ninety-seven thousand, two hundred sixty-five".