13197719 has 2 divisors, whose sum is σ = 13197720. Its totient is φ = 13197718.

The previous prime is 13197707. The next prime is 13197731. The reversal of 13197719 is 91779131.

13197719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13197707) and next prime (13197731).

It is a cyclic number.

It is not a de Polignac number, because 13197719 - 2⁸ = 13197463 is a prime.

It is a super-2 number, since 2×13197719² = 348359573605922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13197739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6598859 + 6598860.

It is an arithmetic number, because the mean of its divisors is an integer number (6598860).

Almost surely, 2^13197719 is an apocalyptic number.

13197719 is a deficient number, since it is larger than the sum of its proper divisors (1).

13197719 is an equidigital number, since it uses as much as digits as its factorization.

13197719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 38.

The square root of 13197719 is about 3632.8664990610. The cubic root of 13197719 is about 236.3195362811.

The spelling of 13197719 in words is "thirteen million, one hundred ninety-seven thousand, seven hundred nineteen".