12862228 has 12 divisors (see below), whose sum is σ = 22728160. Its totient is φ = 6368472.

The previous prime is 12862219. The next prime is 12862229. The reversal of 12862228 is 82226821.

It is a self number, because there is not a number n which added to its sum of digits gives 12862228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12862229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15198 + ... + 16021.

Almost surely, 2^12862228 is an apocalyptic number.

It is an amenable number.

12862228 is a deficient number, since it is larger than the sum of its proper divisors (9865932).

12862228 is a wasteful number, since it uses less digits than its factorization.

12862228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326 (or 31324 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 12862228 is about 3586.3948471968. The cubic root of 12862228 is about 234.2998809456.

The spelling of 12862228 in words is "twelve million, eight hundred sixty-two thousand, two hundred twenty-eight".