12228036 has 36 divisors (see below), whose sum is σ = 29091888. Its totient is φ = 3997488.

The previous prime is 12228031. The next prime is 12228061. The reversal of 12228036 is 63082221.

12228036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12227997 and 12228015.

It is not an unprimeable number, because it can be changed into a prime (12228031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53755 + ... + 53981.

It is an arithmetic number, because the mean of its divisors is an integer number (808108).

Almost surely, 2^12228036 is an apocalyptic number.

It is an amenable number.

12228036 is an abundant number, since it is smaller than the sum of its proper divisors (16863852).

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

12228036 is a wasteful number, since it uses less digits than its factorization.

12228036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12228036 is about 3496.8608779876. The cubic root of 12228036 is about 230.3839585427.

The spelling of 12228036 in words is "twelve million, two hundred twenty-eight thousand, thirty-six".