12133992 has 32 divisors (see below), whose sum is σ = 32669280. Its totient is φ = 3733440.

The previous prime is 12133973. The next prime is 12133997. The reversal of 12133992 is 29933121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12133997) 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 7 ways as a sum of consecutive naturals, for example, 19134 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (1020915).

Almost surely, 2^12133992 is an apocalyptic number.

12133992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12133992 is an abundant number, since it is smaller than the sum of its proper divisors (20535288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12133992 is a wasteful number, since it uses less digits than its factorization.

12133992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38913 (or 38909 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 12133992 is about 3483.3880059505. The cubic root of 12133992 is about 229.7918217118.

The spelling of 12133992 in words is "twelve million, one hundred thirty-three thousand, nine hundred ninety-two".