13397263 has 4 divisors (see below), whose sum is σ = 14615208. Its totient is φ = 12179320.

The previous prime is 13397249. The next prime is 13397269. The reversal of 13397263 is 36279331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13397263 - 2⁵ = 13397231 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 (13397269) 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, 608956 + ... + 608977.

It is an arithmetic number, because the mean of its divisors is an integer number (3653802).

Almost surely, 2^13397263 is an apocalyptic number.

13397263 is a deficient number, since it is larger than the sum of its proper divisors (1217945).

13397263 is a wasteful number, since it uses less digits than its factorization.

13397263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217944.

The product of its digits is 20412, while the sum is 34.

The square root of 13397263 is about 3660.2271787418. The cubic root of 13397263 is about 237.5046012036.

The spelling of 13397263 in words is "thirteen million, three hundred ninety-seven thousand, two hundred sixty-three".