12214144 has 32 divisors (see below), whose sum is σ = 25000200. Its totient is φ = 5939712.

The previous prime is 12214099. The next prime is 12214159. The reversal of 12214144 is 44141221.

12214144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

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, 3447 + ... + 6025.

Almost surely, 2^12214144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12214144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12500100).

12214144 is an abundant number, since it is smaller than the sum of its proper divisors (12786056).

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

12214144 is an equidigital number, since it uses as much as digits as its factorization.

12214144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2618 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 12214144 is about 3494.8739605313. The cubic root of 12214144 is about 230.2966807841.

Adding to 12214144 its reverse (44141221), we get a palindrome (56355365).

The spelling of 12214144 in words is "twelve million, two hundred fourteen thousand, one hundred forty-four".