11612091 has 4 divisors (see below), whose sum is σ = 15482792. Its totient is φ = 7741392.

The previous prime is 11612087. The next prime is 11612101. The reversal of 11612091 is 19021611.

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

It is not a de Polignac number, because 11612091 - 2² = 11612087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11612291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935346 + ... + 1935351.

It is an arithmetic number, because the mean of its divisors is an integer number (3870698).

Almost surely, 2^11612091 is an apocalyptic number.

11612091 is a deficient number, since it is larger than the sum of its proper divisors (3870701).

11612091 is an equidigital number, since it uses as much as digits as its factorization.

11612091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870700.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11612091 is about 3407.6518308067. The cubic root of 11612091 is about 226.4488625302.

The spelling of 11612091 in words is "eleven million, six hundred twelve thousand, ninety-one".