12908144 has 20 divisors (see below), whose sum is σ = 26326440. Its totient is φ = 6114240.

The previous prime is 12908143. The next prime is 12908167. The reversal of 12908144 is 44180921.

12908144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12908143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20927 + ... + 21534.

It is an arithmetic number, because the mean of its divisors is an integer number (1316322).

Almost surely, 2^12908144 is an apocalyptic number.

It is an amenable number.

12908144 is an abundant number, since it is smaller than the sum of its proper divisors (13418296).

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

12908144 is a wasteful number, since it uses less digits than its factorization.

12908144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42488 (or 42482 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12908144 is about 3592.7905588832. The cubic root of 12908144 is about 234.5783536204.

The spelling of 12908144 in words is "twelve million, nine hundred eight thousand, one hundred forty-four".