12239112 has 16 divisors (see below), whose sum is σ = 30597840. Its totient is φ = 4079696.

The previous prime is 12239093. The next prime is 12239147. The reversal of 12239112 is 21193221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254958 + ... + 255005.

It is an arithmetic number, because the mean of its divisors is an integer number (1912365).

Almost surely, 2^12239112 is an apocalyptic number.

12239112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12239112 is an abundant number, since it is smaller than the sum of its proper divisors (18358728).

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

12239112 is a wasteful number, since it uses less digits than its factorization.

12239112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509972 (or 509968 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 12239112 is about 3498.4442256523. Note that the first 3 decimals coincide. The cubic root of 12239112 is about 230.4534971742.

The spelling of 12239112 in words is "twelve million, two hundred thirty-nine thousand, one hundred twelve".