13131659 has 4 divisors (see below), whose sum is σ = 13411104. Its totient is φ = 12852216.

The previous prime is 13131649. The next prime is 13131661. The reversal of 13131659 is 95613131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131659 - 2²⁰ = 12083083 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13131649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139652 + ... + 139745.

It is an arithmetic number, because the mean of its divisors is an integer number (3352776).

Almost surely, 2^13131659 is an apocalyptic number.

13131659 is a deficient number, since it is larger than the sum of its proper divisors (279445).

13131659 is an equidigital number, since it uses as much as digits as its factorization.

13131659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279444.

The product of its digits is 2430, while the sum is 29.

The square root of 13131659 is about 3623.7630993209. The cubic root of 13131659 is about 235.9245844925.

The spelling of 13131659 in words is "thirteen million, one hundred thirty-one thousand, six hundred fifty-nine".