13565455 has 8 divisors (see below), whose sum is σ = 16298352. Its totient is φ = 10839168.

The previous prime is 13565441. The next prime is 13565471. The reversal of 13565455 is 55456531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13565455 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13565455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 8638.

It is an arithmetic number, because the mean of its divisors is an integer number (2037294).

Almost surely, 2^13565455 is an apocalyptic number.

13565455 is a deficient number, since it is larger than the sum of its proper divisors (2732897).

13565455 is a wasteful number, since it uses less digits than its factorization.

13565455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305.

The product of its digits is 45000, while the sum is 34.

The square root of 13565455 is about 3683.1311407551. The cubic root of 13565455 is about 238.4943646877.

The spelling of 13565455 in words is "thirteen million, five hundred sixty-five thousand, four hundred fifty-five".