12579144 has 32 divisors (see below), whose sum is σ = 31695840. Its totient is φ = 4160000.

The previous prime is 12579143. The next prime is 12579163. The reversal of 12579144 is 44197521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12579143) 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, 1144 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (990495).

Almost surely, 2^12579144 is an apocalyptic number.

It is an amenable number.

12579144 is an abundant number, since it is smaller than the sum of its proper divisors (19116696).

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

12579144 is a wasteful number, since it uses less digits than its factorization.

12579144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4137 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 12579144 is about 3546.7088969917. The cubic root of 12579144 is about 232.5682167732.

It can be divided in two parts, 1257 and 9144, that added together give a palindrome (10401).

The spelling of 12579144 in words is "twelve million, five hundred seventy-nine thousand, one hundred forty-four".