12563144 has 32 divisors (see below), whose sum is σ = 25833600. Its totient is φ = 5680320.

The previous prime is 12563143. The next prime is 12563167. The reversal of 12563144 is 44136521.

It is not an unprimeable number, because it can be changed into a prime (12563141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32102 + ... + 32490.

It is an arithmetic number, because the mean of its divisors is an integer number (807300).

Almost surely, 2^12563144 is an apocalyptic number.

It is an amenable number.

12563144 is an abundant number, since it is smaller than the sum of its proper divisors (13270456).

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

12563144 is a wasteful number, since it uses less digits than its factorization.

12563144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 769 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 12563144 is about 3544.4525670405. The cubic root of 12563144 is about 232.4695701494.

Adding to 12563144 its reverse (44136521), we get a palindrome (56699665).

The spelling of 12563144 in words is "twelve million, five hundred sixty-three thousand, one hundred forty-four".