12544238 has 16 divisors (see below), whose sum is σ = 21577344. Its totient is φ = 5357880.

The previous prime is 12544229. The next prime is 12544241. The reversal of 12544238 is 83244521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12544238.

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, 3281 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (1348584).

Almost surely, 2^12544238 is an apocalyptic number.

12544238 is a deficient number, since it is larger than the sum of its proper divisors (9033106).

12544238 is a wasteful number, since it uses less digits than its factorization.

12544238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its digits is 7680, while the sum is 29.

The square root of 12544238 is about 3541.7845784294. The cubic root of 12544238 is about 232.3528988177.

Adding to 12544238 its reverse (83244521), we get a palindrome (95788759).

The spelling of 12544238 in words is "twelve million, five hundred forty-four thousand, two hundred thirty-eight".