13656814 has 8 divisors (see below), whose sum is σ = 21690288. Its totient is φ = 6426720.

The previous prime is 13656791. The next prime is 13656821. The reversal of 13656814 is 41865631.

It is a happy number.

13656814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 401671 = 13656814 / (1 + 3 + 6 + 5 + 6 + 8 + 1 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 13656814.

It is a congruent 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, 200802 + ... + 200869.

It is an arithmetic number, because the mean of its divisors is an integer number (2711286).

Almost surely, 2^13656814 is an apocalyptic number.

13656814 is a deficient number, since it is larger than the sum of its proper divisors (8033474).

13656814 is a wasteful number, since it uses less digits than its factorization.

13656814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401690.

The product of its digits is 17280, while the sum is 34.

The square root of 13656814 is about 3695.5126843241. The cubic root of 13656814 is about 239.0285616794.

The spelling of 13656814 in words is "thirteen million, six hundred fifty-six thousand, eight hundred fourteen".