13568039 has 2 divisors, whose sum is σ = 13568040. Its totient is φ = 13568038.

The previous prime is 13567979. The next prime is 13568041. The reversal of 13568039 is 93086531.

It is a strong prime.

It is an emirp because it is prime and its reverse (93086531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13568039 is a prime.

It is a Sophie Germain prime.

Together with 13568041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13568099) 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 as a sum of consecutive naturals, namely, 6784019 + 6784020.

It is an arithmetic number, because the mean of its divisors is an integer number (6784020).

Almost surely, 2^13568039 is an apocalyptic number.

13568039 is a deficient number, since it is larger than the sum of its proper divisors (1).

13568039 is an equidigital number, since it uses as much as digits as its factorization.

13568039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13568039 is about 3683.4819125387. The cubic root of 13568039 is about 238.5095068340.

The spelling of 13568039 in words is "thirteen million, five hundred sixty-eight thousand, thirty-nine".