13399659 has 24 divisors (see below), whose sum is σ = 23823072. Its totient is φ = 7067520.

The previous prime is 13399651. The next prime is 13399663. The reversal of 13399659 is 95699331.

It is not a de Polignac number, because 13399659 - 2³ = 13399651 is a prime.

It is a super-2 number, since 2×13399659² = 359101722632562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13399651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7362 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (992628).

Almost surely, 2^13399659 is an apocalyptic number.

13399659 is a deficient number, since it is larger than the sum of its proper divisors (10423413).

13399659 is a wasteful number, since it uses less digits than its factorization.

13399659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16387 (or 16384 counting only the distinct ones).

The product of its digits is 196830, while the sum is 45.

The square root of 13399659 is about 3660.5544661977. The cubic root of 13399659 is about 237.5187589984.

The spelling of 13399659 in words is "thirteen million, three hundred ninety-nine thousand, six hundred fifty-nine".