13716644 has 12 divisors (see below), whose sum is σ = 24057600. Its totient is φ = 6843048.

The previous prime is 13716641. The next prime is 13716649. The reversal of 13716644 is 44661731.

It is a self number, because there is not a number n which added to its sum of digits gives 13716644.

It is not an unprimeable number, because it can be changed into a prime (13716641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (2004800).

Almost surely, 2^13716644 is an apocalyptic number.

It is an amenable number.

13716644 is a deficient number, since it is larger than the sum of its proper divisors (10340956).

13716644 is a wasteful number, since it uses less digits than its factorization.

13716644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642 (or 7640 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 13716644 is about 3703.5987903659. The cubic root of 13716644 is about 239.3771116257.

The spelling of 13716644 in words is "thirteen million, seven hundred sixteen thousand, six hundred forty-four".