13399418 has 8 divisors (see below), whose sum is σ = 20526912. Its totient is φ = 6557116.

The previous prime is 13399387. The next prime is 13399423. The reversal of 13399418 is 81499331.

It is a happy number.

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, 71180 + ... + 71367.

It is an arithmetic number, because the mean of its divisors is an integer number (2565864).

Almost surely, 2^13399418 is an apocalyptic number.

13399418 is a deficient number, since it is larger than the sum of its proper divisors (7127494).

13399418 is a wasteful number, since it uses less digits than its factorization.

13399418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142596.

The product of its digits is 23328, while the sum is 38.

The square root of 13399418 is about 3660.5215475394. The cubic root of 13399418 is about 237.5173350228.

The spelling of 13399418 in words is "thirteen million, three hundred ninety-nine thousand, four hundred eighteen".