13713391 has 2 divisors, whose sum is σ = 13713392. Its totient is φ = 13713390.

The previous prime is 13713389. The next prime is 13713397. The reversal of 13713391 is 19331731.

13713391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13713391 - 2¹ = 13713389 is a prime.

Together with 13713389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13713397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6856695 + 6856696.

It is an arithmetic number, because the mean of its divisors is an integer number (6856696).

Almost surely, 2^13713391 is an apocalyptic number.

13713391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13713391 is an equidigital number, since it uses as much as digits as its factorization.

13713391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 28.

The square root of 13713391 is about 3703.1595968848. The cubic root of 13713391 is about 239.3581867996.

The spelling of 13713391 in words is "thirteen million, seven hundred thirteen thousand, three hundred ninety-one".