12270844 has 12 divisors (see below), whose sum is σ = 21540064. Its totient is φ = 6116544.

The previous prime is 12270763. The next prime is 12270871. The reversal of 12270844 is 44807221.

It is a super-2 number, since 2×12270844² = 301147224944672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 3204 + ... + 5899.

Almost surely, 2^12270844 is an apocalyptic number.

It is an amenable number.

12270844 is a deficient number, since it is larger than the sum of its proper divisors (9269220).

12270844 is a wasteful number, since it uses less digits than its factorization.

12270844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444 (or 9442 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 12270844 is about 3502.9764486790. The cubic root of 12270844 is about 230.6524887243.

The spelling of 12270844 in words is "twelve million, two hundred seventy thousand, eight hundred forty-four".