13799959 has 4 divisors (see below), whose sum is σ = 13833160. Its totient is φ = 13766760.

The previous prime is 13799939. The next prime is 13800013. The reversal of 13799959 is 95999731.

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 13799959 - 2⁷ = 13799831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15969 + ... + 16810.

It is an arithmetic number, because the mean of its divisors is an integer number (3458290).

Almost surely, 2^13799959 is an apocalyptic number.

13799959 is a deficient number, since it is larger than the sum of its proper divisors (33201).

13799959 is an equidigital number, since it uses as much as digits as its factorization.

13799959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33200.

The product of its digits is 688905, while the sum is 52.

The square root of 13799959 is about 3714.8296057827. The cubic root of 13799959 is about 239.8607931142.

The spelling of 13799959 in words is "thirteen million, seven hundred ninety-nine thousand, nine hundred fifty-nine".