13397719 has 2 divisors, whose sum is σ = 13397720. Its totient is φ = 13397718.

The previous prime is 13397701. The next prime is 13397729. The reversal of 13397719 is 91779331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13397719 - 2⁵ = 13397687 is a prime.

It is a super-2 number, since 2×13397719² = 358997748805922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13397729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6698859 + 6698860.

It is an arithmetic number, because the mean of its divisors is an integer number (6698860).

Almost surely, 2^13397719 is an apocalyptic number.

13397719 is a deficient number, since it is larger than the sum of its proper divisors (1).

13397719 is an equidigital number, since it uses as much as digits as its factorization.

13397719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35721, while the sum is 40.

The square root of 13397719 is about 3660.2894694272. The cubic root of 13397719 is about 237.5072958054.

The spelling of 13397719 in words is "thirteen million, three hundred ninety-seven thousand, seven hundred nineteen".