12441144 has 32 divisors (see below), whose sum is σ = 32933520. Its totient is φ = 3902976.

The previous prime is 12441131. The next prime is 12441173. The reversal of 12441144 is 44114421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12441144.

It is a congruent 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, 14839 + ... + 15654.

Almost surely, 2^12441144 is an apocalyptic number.

It is an amenable number.

12441144 is an abundant number, since it is smaller than the sum of its proper divisors (20492376).

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

12441144 is a wasteful number, since it uses less digits than its factorization.

12441144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30519 (or 30515 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 12441144 is about 3527.2005897028. The cubic root of 12441144 is about 231.7146213605.

Adding to 12441144 its reverse (44114421), we get a palindrome (56555565).

The spelling of 12441144 in words is "twelve million, four hundred forty-one thousand, one hundred forty-four".