13573816 has 16 divisors (see below), whose sum is σ = 25500240. Its totient is φ = 6773760.

The previous prime is 13573801. The next prime is 13573873. The reversal of 13573816 is 61837531.

It is a congruent number.

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, 3805 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (1593765).

Almost surely, 2^13573816 is an apocalyptic number.

It is an amenable number.

13573816 is a deficient number, since it is larger than the sum of its proper divisors (11926424).

13573816 is a wasteful number, since it uses less digits than its factorization.

13573816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3290 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 13573816 is about 3684.2660055973. The cubic root of 13573816 is about 238.5433528922.

The spelling of 13573816 in words is "thirteen million, five hundred seventy-three thousand, eight hundred sixteen".