11882091 has 16 divisors (see below), whose sum is σ = 17158400. Its totient is φ = 7270560.

The previous prime is 11882071. The next prime is 11882113. The reversal of 11882091 is 19028811.

It is a de Polignac number, because none of the positive numbers 2^k-11882091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11882071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6996 + ... + 8526.

It is an arithmetic number, because the mean of its divisors is an integer number (1072400).

Almost surely, 2^11882091 is an apocalyptic number.

11882091 is a deficient number, since it is larger than the sum of its proper divisors (5276309).

11882091 is a wasteful number, since it uses less digits than its factorization.

11882091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 11882091 is about 3447.0409048922. The cubic root of 11882091 is about 228.1905340213.

The spelling of 11882091 in words is "eleven million, eight hundred eighty-two thousand, ninety-one".