12144524 has 24 divisors (see below), whose sum is σ = 24530688. Its totient is φ = 5153040.

The previous prime is 12144523. The next prime is 12144563. The reversal of 12144524 is 42544121.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12144524.

It is not an unprimeable number, because it can be changed into a prime (12144521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^12144524 is an apocalyptic number.

12144524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12144524 is an abundant number, since it is smaller than the sum of its proper divisors (12386164).

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

12144524 is a wasteful number, since it uses less digits than its factorization.

12144524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4323 counting only the distinct ones).

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

The square root of 12144524 is about 3484.8994246606. The cubic root of 12144524 is about 229.8582869935.

Adding to 12144524 its reverse (42544121), we get a palindrome (54688645).

The spelling of 12144524 in words is "twelve million, one hundred forty-four thousand, five hundred twenty-four".