13994816 has 56 divisors (see below), whose sum is σ = 30748224. Its totient is φ = 6266880.

The previous prime is 13994807. The next prime is 13994821. The reversal of 13994816 is 61849931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72416 + ... + 72608.

Almost surely, 2^13994816 is an apocalyptic number.

13994816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13994816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15374112).

13994816 is an abundant number, since it is smaller than the sum of its proper divisors (16753408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13994816 is a wasteful number, since it uses less digits than its factorization.

13994816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 309 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 13994816 is about 3740.9645814950. The cubic root of 13994816 is about 240.9844747033.

The spelling of 13994816 in words is "thirteen million, nine hundred ninety-four thousand, eight hundred sixteen".