13397911 has 2 divisors, whose sum is σ = 13397912. Its totient is φ = 13397910.

The previous prime is 13397903. The next prime is 13397933. The reversal of 13397911 is 11979331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13397911 - 2³ = 13397903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13397941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6698955 + 6698956.

It is an arithmetic number, because the mean of its divisors is an integer number (6698956).

Almost surely, 2^13397911 is an apocalyptic number.

13397911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13397911 is an equidigital number, since it uses as much as digits as its factorization.

13397911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5103, while the sum is 34.

The square root of 13397911 is about 3660.3156967672. The cubic root of 13397911 is about 237.5084303563.

The spelling of 13397911 in words is "thirteen million, three hundred ninety-seven thousand, nine hundred eleven".