12717144 has 48 divisors (see below), whose sum is σ = 37575720. Its totient is φ = 3853440.

The previous prime is 12717127. The next prime is 12717149. The reversal of 12717144 is 44171721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7237 + ... + 8820.

Almost surely, 2^12717144 is an apocalyptic number.

It is an amenable number.

12717144 is an abundant number, since it is smaller than the sum of its proper divisors (24858576).

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

12717144 is a wasteful number, since it uses less digits than its factorization.

12717144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080 (or 16073 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 12717144 is about 3566.1104862301. The cubic root of 12717144 is about 233.4155918591.

Adding to 12717144 its reverse (44171721), we get a palindrome (56888865).

It can be divided in two parts, 127 and 17144, that added together give a palindrome (17271).

The spelling of 12717144 in words is "twelve million, seven hundred seventeen thousand, one hundred forty-four".