13391497 has 8 divisors (see below), whose sum is σ = 15970176. Its totient is φ = 10979232.

The previous prime is 13391467. The next prime is 13391501. The reversal of 13391497 is 79419331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13391497 - 2¹⁹ = 12867209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13391437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41428 + ... + 41749.

It is an arithmetic number, because the mean of its divisors is an integer number (1996272).

Almost surely, 2^13391497 is an apocalyptic number.

It is an amenable number.

13391497 is a deficient number, since it is larger than the sum of its proper divisors (2578679).

13391497 is an equidigital number, since it uses as much as digits as its factorization.

13391497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83207.

The product of its digits is 20412, while the sum is 37.

The square root of 13391497 is about 3659.4394379467. The cubic root of 13391497 is about 237.4705233962.

The spelling of 13391497 in words is "thirteen million, three hundred ninety-one thousand, four hundred ninety-seven".