12144164 has 12 divisors (see below), whose sum is σ = 21310464. Its totient is φ = 6055464.

The previous prime is 12144151. The next prime is 12144169. The reversal of 12144164 is 46144121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12144169) 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, 2432 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (1775872).

Almost surely, 2^12144164 is an apocalyptic number.

It is an amenable number.

12144164 is a deficient number, since it is larger than the sum of its proper divisors (9166300).

12144164 is a wasteful number, since it uses less digits than its factorization.

12144164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8314 (or 8312 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 12144164 is about 3484.8477728590. The cubic root of 12144164 is about 229.8560157421.

Adding to 12144164 its reverse (46144121), we get a palindrome (58288285).

The spelling of 12144164 in words is "twelve million, one hundred forty-four thousand, one hundred sixty-four".