13331297 has 4 divisors (see below), whose sum is σ = 15235776. Its totient is φ = 11426820.

The previous prime is 13331291. The next prime is 13331299. The reversal of 13331297 is 79213331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13331297 - 2²² = 9136993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331291) 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, 952229 + ... + 952242.

It is an arithmetic number, because the mean of its divisors is an integer number (3808944).

Almost surely, 2^13331297 is an apocalyptic number.

It is an amenable number.

13331297 is a deficient number, since it is larger than the sum of its proper divisors (1904479).

13331297 is an equidigital number, since it uses as much as digits as its factorization.

13331297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904478.

The product of its digits is 3402, while the sum is 29.

The square root of 13331297 is about 3651.2048696287. The cubic root of 13331297 is about 237.1141479841.

The spelling of 13331297 in words is "thirteen million, three hundred thirty-one thousand, two hundred ninety-seven".