13009265 has 4 divisors (see below), whose sum is σ = 15611124. Its totient is φ = 10407408.

The previous prime is 13009253. The next prime is 13009273. The reversal of 13009265 is 56290031.

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 4194304 + 8814961 = 2048^2 + 2969^2 .

It is a cyclic number.

It is not a de Polignac number, because 13009265 - 2¹⁰ = 13008241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300922 + ... + 1300931.

It is an arithmetic number, because the mean of its divisors is an integer number (3902781).

Almost surely, 2^13009265 is an apocalyptic number.

It is an amenable number.

13009265 is a deficient number, since it is larger than the sum of its proper divisors (2601859).

13009265 is an equidigital number, since it uses as much as digits as its factorization.

13009265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601858.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13009265 is about 3606.8358709539. The cubic root of 13009265 is about 235.1893147787.

Adding to 13009265 its reverse (56290031), we get a palindrome (69299296).

The spelling of 13009265 in words is "thirteen million, nine thousand, two hundred sixty-five".