12228612 has 24 divisors (see below), whose sum is σ = 31127712. Its totient is φ = 3705600.

The previous prime is 12228599. The next prime is 12228613. The reversal of 12228612 is 21682221.

It is not an unprimeable number, because it can be changed into a prime (12228613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46189 + ... + 46452.

It is an arithmetic number, because the mean of its divisors is an integer number (1296988).

Almost surely, 2^12228612 is an apocalyptic number.

12228612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12228612 is an abundant number, since it is smaller than the sum of its proper divisors (18899100).

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

12228612 is a wasteful number, since it uses less digits than its factorization.

12228612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92659 (or 92657 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 12228612 is about 3496.9432365996. The cubic root of 12228612 is about 230.3875758877.

The spelling of 12228612 in words is "twelve million, two hundred twenty-eight thousand, six hundred twelve".