12892228 has 12 divisors (see below), whose sum is σ = 22931692. Its totient is φ = 6340320.

The previous prime is 12892219. The next prime is 12892237. The reversal of 12892228 is 82229821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12892219) and next prime (12892237).

It can be written as a sum of positive squares in 2 ways, for example, as 161604 + 12730624 = 402^2 + 3568^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12892193 and 12892202.

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, 26175 + ... + 26662.

Almost surely, 2^12892228 is an apocalyptic number.

It is an amenable number.

12892228 is a deficient number, since it is larger than the sum of its proper divisors (10039464).

12892228 is a wasteful number, since it uses less digits than its factorization.

12892228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52902 (or 52900 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 12892228 is about 3590.5748843326. The cubic root of 12892228 is about 234.4819006979.

The spelling of 12892228 in words is "twelve million, eight hundred ninety-two thousand, two hundred twenty-eight".