18714916 has 24 divisors (see below), whose sum is σ = 37283904. Its totient is φ = 8136480.

The previous prime is 18714911. The next prime is 18714919. The reversal of 18714916 is 61941781.

It is not an unprimeable number, because it can be changed into a prime (18714911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8235 + ... + 10258.

It is an arithmetic number, because the mean of its divisors is an integer number (1553496).

Almost surely, 2^18714916 is an apocalyptic number.

It is an amenable number.

18714916 is a deficient number, since it is larger than the sum of its proper divisors (18568988).

18714916 is a wasteful number, since it uses less digits than its factorization.

18714916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531 (or 18529 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 18714916 is about 4326.0739707037. The cubic root of 18714916 is about 265.4988396690.

The spelling of 18714916 in words is "eighteen million, seven hundred fourteen thousand, nine hundred sixteen".