13616855 has 12 divisors (see below), whose sum is σ = 19008360. Its totient is φ = 9337104.

The previous prime is 13616833. The next prime is 13616861. The reversal of 13616855 is 55861631.

It is not a de Polignac number, because 13616855 - 2⁸ = 13616599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27545 + ... + 28034.

It is an arithmetic number, because the mean of its divisors is an integer number (1584030).

Almost surely, 2^13616855 is an apocalyptic number.

13616855 is a deficient number, since it is larger than the sum of its proper divisors (5391505).

13616855 is an equidigital number, since it uses as much as digits as its factorization.

13616855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55598 (or 55591 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 13616855 is about 3690.1023021049. The cubic root of 13616855 is about 238.7952063005.

The spelling of 13616855 in words is "thirteen million, six hundred sixteen thousand, eight hundred fifty-five".