12544142 has 32 divisors (see below), whose sum is σ = 21705600. Its totient is φ = 5388768.

The previous prime is 12544139. The next prime is 12544157. The reversal of 12544142 is 24144521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32909 + ... + 33287.

It is an arithmetic number, because the mean of its divisors is an integer number (678300).

Almost surely, 2^12544142 is an apocalyptic number.

12544142 is a deficient number, since it is larger than the sum of its proper divisors (9161458).

12544142 is a wasteful number, since it uses less digits than its factorization.

12544142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

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

The square root of 12544142 is about 3541.7710259134. The cubic root of 12544142 is about 232.3523060905.

Adding to 12544142 its reverse (24144521), we get a palindrome (36688663).

The spelling of 12544142 in words is "twelve million, five hundred forty-four thousand, one hundred forty-two".