12214284 has 12 divisors (see below), whose sum is σ = 28500024. Its totient is φ = 4071424.

The previous prime is 12214273. The next prime is 12214289. The reversal of 12214284 is 48241221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12214289) 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, 508917 + ... + 508940.

It is an arithmetic number, because the mean of its divisors is an integer number (2375002).

Almost surely, 2^12214284 is an apocalyptic number.

It is an amenable number.

12214284 is an abundant number, since it is smaller than the sum of its proper divisors (16285740).

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

12214284 is a wasteful number, since it uses less digits than its factorization.

12214284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017864 (or 1017862 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 12214284 is about 3494.8939898086. The cubic root of 12214284 is about 230.2975606769.

The spelling of 12214284 in words is "twelve million, two hundred fourteen thousand, two hundred eighty-four".