13330939 has 4 divisors (see below), whose sum is σ = 13614624. Its totient is φ = 13047256.

The previous prime is 13330927. The next prime is 13330943. The reversal of 13330939 is 93903331.

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 13330939 - 2¹⁵ = 13298171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13330939.

It is not an unprimeable number, because it can be changed into a prime (13330909) 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, 141772 + ... + 141865.

It is an arithmetic number, because the mean of its divisors is an integer number (3403656).

Almost surely, 2^13330939 is an apocalyptic number.

13330939 is a deficient number, since it is larger than the sum of its proper divisors (283685).

13330939 is an equidigital number, since it uses as much as digits as its factorization.

13330939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283684.

The product of its (nonzero) digits is 6561, while the sum is 31.

The square root of 13330939 is about 3651.1558443868. The cubic root of 13330939 is about 237.1120254693.

The spelling of 13330939 in words is "thirteen million, three hundred thirty thousand, nine hundred thirty-nine".