12568228 has 12 divisors (see below), whose sum is σ = 22041180. Its totient is φ = 6270752.

The previous prime is 12568217. The next prime is 12568247. The reversal of 12568228 is 82286521.

It can be written as a sum of positive squares in 2 ways, for example, as 4088484 + 8479744 = 2022^2 + 2912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12568193 and 12568202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (1836765).

Almost surely, 2^12568228 is an apocalyptic number.

It is an amenable number.

12568228 is a deficient number, since it is larger than the sum of its proper divisors (9472952).

12568228 is a wasteful number, since it uses less digits than its factorization.

12568228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686 (or 6684 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 12568228 is about 3545.1696715390. The cubic root of 12568228 is about 232.5009241879.

The spelling of 12568228 in words is "twelve million, five hundred sixty-eight thousand, two hundred twenty-eight".