13265555 has 4 divisors (see below), whose sum is σ = 15918672. Its totient is φ = 10612440.

The previous prime is 13265533. The next prime is 13265561. The reversal of 13265555 is 55556231.

13265555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-13265555 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, 1326551 + ... + 1326560.

It is an arithmetic number, because the mean of its divisors is an integer number (3979668).

Almost surely, 2^13265555 is an apocalyptic number.

13265555 is a deficient number, since it is larger than the sum of its proper divisors (2653117).

13265555 is an equidigital number, since it uses as much as digits as its factorization.

13265555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653116.

The product of its digits is 22500, while the sum is 32.

The square root of 13265555 is about 3642.1909614956. The cubic root of 13265555 is about 236.7237370358.

The spelling of 13265555 in words is "thirteen million, two hundred sixty-five thousand, five hundred fifty-five".