13338939 has 8 divisors (see below), whose sum is σ = 17805312. Its totient is φ = 8882600.

The previous prime is 13338911. The next prime is 13338943. The reversal of 13338939 is 93983331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13338939 - 2¹² = 13334843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13338897 and 13338906.

It is not an unprimeable number, because it can be changed into a prime (13338979) 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 7 ways as a sum of consecutive naturals, for example, 1522 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (2225664).

Almost surely, 2^13338939 is an apocalyptic number.

13338939 is a deficient number, since it is larger than the sum of its proper divisors (4466373).

13338939 is a wasteful number, since it uses less digits than its factorization.

13338939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its digits is 52488, while the sum is 39.

The square root of 13338939 is about 3652.2512235606. The cubic root of 13338939 is about 237.1594469071.

The spelling of 13338939 in words is "thirteen million, three hundred thirty-eight thousand, nine hundred thirty-nine".