13993016 has 32 divisors (see below), whose sum is σ = 27660960. Its totient is φ = 6623232.

The previous prime is 13993003. The next prime is 13993069. The reversal of 13993016 is 61039931.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 20456 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (864405).

Almost surely, 2^13993016 is an apocalyptic number.

It is an amenable number.

13993016 is a deficient number, since it is larger than the sum of its proper divisors (13667944).

13993016 is a wasteful number, since it uses less digits than its factorization.

13993016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 13993016 is about 3740.7239940953. The cubic root of 13993016 is about 240.9741425286.

The spelling of 13993016 in words is "thirteen million, nine hundred ninety-three thousand, sixteen".