12220852 has 12 divisors (see below), whose sum is σ = 24441760. Its totient is φ = 5237496.

The previous prime is 12220849. The next prime is 12220853. The reversal of 12220852 is 25802221.

12220852 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220853) 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, 218202 + ... + 218257.

Almost surely, 2^12220852 is an apocalyptic number.

It is an amenable number.

12220852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12220852 is a wasteful number, since it uses less digits than its factorization.

12220852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436470 (or 436468 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12220852 is about 3495.8335200636. The cubic root of 12220852 is about 230.3388326646.

The spelling of 12220852 in words is "twelve million, two hundred twenty thousand, eight hundred fifty-two".