13361391 has 12 divisors (see below), whose sum is σ = 19492200. Its totient is φ = 8818800.

The previous prime is 13361377. The next prime is 13361393. The reversal of 13361391 is 19316331.

It is not a de Polignac number, because 13361391 - 2²³ = 4972783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6441 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (1624350).

Almost surely, 2^13361391 is an apocalyptic number.

13361391 is a deficient number, since it is larger than the sum of its proper divisors (6130809).

13361391 is a wasteful number, since it uses less digits than its factorization.

13361391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14806 (or 14803 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 13361391 is about 3655.3236518809. The cubic root of 13361391 is about 237.2924339758.

The spelling of 13361391 in words is "thirteen million, three hundred sixty-one thousand, three hundred ninety-one".