12226928 has 20 divisors (see below), whose sum is σ = 27074160. Its totient is φ = 5240064.

The previous prime is 12226873. The next prime is 12226933. The reversal of 12226928 is 82962221.

It is a junction number, because it is equal to n+sod(n) for n = 12226894 and 12226903.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54473 + ... + 54696.

It is an arithmetic number, because the mean of its divisors is an integer number (1353708).

Almost surely, 2^12226928 is an apocalyptic number.

It is an amenable number.

12226928 is an abundant number, since it is smaller than the sum of its proper divisors (14847232).

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

12226928 is a wasteful number, since it uses less digits than its factorization.

12226928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109184 (or 109178 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 12226928 is about 3496.7024465916. The cubic root of 12226928 is about 230.3769998581.

The spelling of 12226928 in words is "twelve million, two hundred twenty-six thousand, nine hundred twenty-eight".