13116091 has 4 divisors (see below), whose sum is σ = 13568400. Its totient is φ = 12663784.

The previous prime is 13116041. The next prime is 13116101. The reversal of 13116091 is 19061131.

It is a happy number.

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 13116091 - 2⁹ = 13115579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13116031) 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 3 ways as a sum of consecutive naturals, for example, 226111 + ... + 226168.

It is an arithmetic number, because the mean of its divisors is an integer number (3392100).

Almost surely, 2^13116091 is an apocalyptic number.

13116091 is a deficient number, since it is larger than the sum of its proper divisors (452309).

13116091 is an equidigital number, since it uses as much as digits as its factorization.

13116091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452308.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 13116091 is about 3621.6144190126. The cubic root of 13116091 is about 235.8313155886.

The spelling of 13116091 in words is "thirteen million, one hundred sixteen thousand, ninety-one".