12214388 has 12 divisors (see below), whose sum is σ = 21399840. Its totient is φ = 6100152.

The previous prime is 12214387. The next prime is 12214399. The reversal of 12214388 is 88341221.

It is a self number, because there is not a number n which added to its sum of digits gives 12214388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5183 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (1783320).

Almost surely, 2^12214388 is an apocalyptic number.

It is an amenable number.

12214388 is a deficient number, since it is larger than the sum of its proper divisors (9185452).

12214388 is a wasteful number, since it uses less digits than its factorization.

12214388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526 (or 3524 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 12214388 is about 3494.9088686259. The cubic root of 12214388 is about 230.2982143072.

The spelling of 12214388 in words is "twelve million, two hundred fourteen thousand, three hundred eighty-eight".