13518994 has 8 divisors (see below), whose sum is σ = 21345840. Its totient is φ = 6403716.

The previous prime is 13518983. The next prime is 13519021. The reversal of 13518994 is 49981531.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 177844 + ... + 177919.

It is an arithmetic number, because the mean of its divisors is an integer number (2668230).

Almost surely, 2^13518994 is an apocalyptic number.

13518994 is a deficient number, since it is larger than the sum of its proper divisors (7826846).

13518994 is a wasteful number, since it uses less digits than its factorization.

13518994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355784.

The product of its digits is 38880, while the sum is 40.

The square root of 13518994 is about 3676.8184616595. The cubic root of 13518994 is about 238.2217761883.

The spelling of 13518994 in words is "thirteen million, five hundred eighteen thousand, nine hundred ninety-four".