13199659 has 4 divisors (see below), whose sum is σ = 14399640. Its totient is φ = 11999680.

The previous prime is 13199653. The next prime is 13199671. The reversal of 13199659 is 95699131.

13199659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13199659 - 2³ = 13199651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13199651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599974 + ... + 599995.

It is an arithmetic number, because the mean of its divisors is an integer number (3599910).

Almost surely, 2^13199659 is an apocalyptic number.

13199659 is a deficient number, since it is larger than the sum of its proper divisors (1199981).

13199659 is a wasteful number, since it uses less digits than its factorization.

13199659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199980.

The product of its digits is 65610, while the sum is 43.

The square root of 13199659 is about 3633.1334960334. The cubic root of 13199659 is about 236.3311149850.

The spelling of 13199659 in words is "thirteen million, one hundred ninety-nine thousand, six hundred fifty-nine".