13319939 has 2 divisors, whose sum is σ = 13319940. Its totient is φ = 13319938.

The previous prime is 13319897. The next prime is 13319947. The reversal of 13319939 is 93991331.

13319939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13319939 - 2¹⁶ = 13254403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13319989) 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 as a sum of consecutive naturals, namely, 6659969 + 6659970.

It is an arithmetic number, because the mean of its divisors is an integer number (6659970).

Almost surely, 2^13319939 is an apocalyptic number.

13319939 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319939 is an equidigital number, since it uses as much as digits as its factorization.

13319939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19683, while the sum is 38.

The square root of 13319939 is about 3649.6491612208. The cubic root of 13319939 is about 237.0467900046.

The spelling of 13319939 in words is "thirteen million, three hundred nineteen thousand, nine hundred thirty-nine".