13716656 has 20 divisors (see below), whose sum is σ = 27195432. Its totient is φ = 6698496.

The previous prime is 13716649. The next prime is 13716667. The reversal of 13716656 is 65661731.

It is a happy 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, 9281 + ... + 10656.

Almost surely, 2^13716656 is an apocalyptic number.

13716656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13716656 is a deficient number, since it is larger than the sum of its proper divisors (13478776).

13716656 is a wasteful number, since it uses less digits than its factorization.

13716656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988 (or 19982 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 13716656 is about 3703.6004104115. The cubic root of 13716656 is about 239.3771814320.

The spelling of 13716656 in words is "thirteen million, seven hundred sixteen thousand, six hundred fifty-six".