13396391 has 4 divisors (see below), whose sum is σ = 14184432. Its totient is φ = 12608352.

The previous prime is 13396367. The next prime is 13396421. The reversal of 13396391 is 19369331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19369331 = 701 ⋅27631.

It is a cyclic number.

It is not a de Polignac number, because 13396391 - 2²² = 9202087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13396301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393995 + ... + 394028.

It is an arithmetic number, because the mean of its divisors is an integer number (3546108).

Almost surely, 2^13396391 is an apocalyptic number.

13396391 is a deficient number, since it is larger than the sum of its proper divisors (788041).

13396391 is an equidigital number, since it uses as much as digits as its factorization.

13396391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788040.

The product of its digits is 13122, while the sum is 35.

The square root of 13396391 is about 3660.1080585141. The cubic root of 13396391 is about 237.4994481982.

The spelling of 13396391 in words is "thirteen million, three hundred ninety-six thousand, three hundred ninety-one".