12863228 has 24 divisors (see below), whose sum is σ = 27081600. Its totient is φ = 5222448.

The previous prime is 12863177. The next prime is 12863251. The reversal of 12863228 is 82236821.

12863228 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 = 12863194 and 12863203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11558 + ... + 12621.

It is an arithmetic number, because the mean of its divisors is an integer number (1128400).

Almost surely, 2^12863228 is an apocalyptic number.

It is an amenable number.

12863228 is an abundant number, since it is smaller than the sum of its proper divisors (14218372).

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

12863228 is a wasteful number, since it uses less digits than its factorization.

12863228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24209 (or 24207 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 12863228 is about 3586.5342602574. The cubic root of 12863228 is about 234.3059528280.

The spelling of 12863228 in words is "twelve million, eight hundred sixty-three thousand, two hundred twenty-eight".