12144452 has 12 divisors (see below), whose sum is σ = 21277200. Its totient is φ = 6065256.

The previous prime is 12144413. The next prime is 12144463. The reversal of 12144452 is 25444121.

12144452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5903 + ... + 7689.

It is an arithmetic number, because the mean of its divisors is an integer number (1773100).

Almost surely, 2^12144452 is an apocalyptic number.

It is an amenable number.

12144452 is a deficient number, since it is larger than the sum of its proper divisors (9132748).

12144452 is a wasteful number, since it uses less digits than its factorization.

12144452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3488 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 12144452 is about 3484.8890943615. The cubic root of 12144452 is about 229.8578327468.

Adding to 12144452 its reverse (25444121), we get a palindrome (37588573).

The spelling of 12144452 in words is "twelve million, one hundred forty-four thousand, four hundred fifty-two".