13918916 has 12 divisors (see below), whose sum is σ = 26572560. Its totient is φ = 6326760.

The previous prime is 13918901. The next prime is 13918921. The reversal of 13918916 is 61981931.

It is a self number, because there is not a number n which added to its sum of digits gives 13918916.

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, 158126 + ... + 158213.

It is an arithmetic number, because the mean of its divisors is an integer number (2214380).

Almost surely, 2^13918916 is an apocalyptic number.

It is an amenable number.

13918916 is a deficient number, since it is larger than the sum of its proper divisors (12653644).

13918916 is a wasteful number, since it uses less digits than its factorization.

13918916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316354 (or 316352 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 13918916 is about 3730.8063471587. The cubic root of 13918916 is about 240.5480300510.

The spelling of 13918916 in words is "thirteen million, nine hundred eighteen thousand, nine hundred sixteen".