12228936 has 32 divisors (see below), whose sum is σ = 30663360. Its totient is φ = 4064192.

The previous prime is 12228929. The next prime is 12228991. The reversal of 12228936 is 63982221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12228897 and 12228906.

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 7 ways as a sum of consecutive naturals, for example, 11566 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (958230).

Almost surely, 2^12228936 is an apocalyptic number.

It is an amenable number.

12228936 is an abundant number, since it is smaller than the sum of its proper divisors (18434424).

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

12228936 is a wasteful number, since it uses less digits than its factorization.

12228936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1521 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 12228936 is about 3496.9895624666. The cubic root of 12228936 is about 230.3896105944.

The spelling of 12228936 in words is "twelve million, two hundred twenty-eight thousand, nine hundred thirty-six".