13889659 has 8 divisors (see below), whose sum is σ = 16098048. Its totient is φ = 11737320.

The previous prime is 13889647. The next prime is 13889669. The reversal of 13889659 is 95698831.

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

It is not a de Polignac number, because 13889659 - 2⁷ = 13889531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13889669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13477 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (2012256).

Almost surely, 2^13889659 is an apocalyptic number.

13889659 is a deficient number, since it is larger than the sum of its proper divisors (2208389).

13889659 is an equidigital number, since it uses as much as digits as its factorization.

13889659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025.

The product of its digits is 466560, while the sum is 49.

The square root of 13889659 is about 3726.8832823151. The cubic root of 13889659 is about 240.3793710721.

The spelling of 13889659 in words is "thirteen million, eight hundred eighty-nine thousand, six hundred fifty-nine".