12091132 has 12 divisors (see below), whose sum is σ = 21184240. Its totient is φ = 6038496.

The previous prime is 12091111. The next prime is 12091133. The reversal of 12091132 is 23119021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091133) 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, 4744 + ... + 6832.

Almost surely, 2^12091132 is an apocalyptic number.

It is an amenable number.

12091132 is a deficient number, since it is larger than the sum of its proper divisors (9093108).

12091132 is a wasteful number, since it uses less digits than its factorization.

12091132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3538 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12091132 is about 3477.2305071709. The cubic root of 12091132 is about 229.5209436572.

The spelling of 12091132 in words is "twelve million, ninety-one thousand, one hundred thirty-two".