12271884 has 24 divisors (see below), whose sum is σ = 29028720. Its totient is φ = 4034304.

The previous prime is 12271879. The next prime is 12271951. The reversal of 12271884 is 48817221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6129 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (1209530).

Almost surely, 2^12271884 is an apocalyptic number.

It is an amenable number.

12271884 is an abundant number, since it is smaller than the sum of its proper divisors (16756836).

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

12271884 is a wasteful number, since it uses less digits than its factorization.

12271884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14089 (or 14087 counting only the distinct ones).

The product of its digits is 7168, while the sum is 33.

The square root of 12271884 is about 3503.1248907226. The cubic root of 12271884 is about 230.6590047611.

The spelling of 12271884 in words is "twelve million, two hundred seventy-one thousand, eight hundred eighty-four".