12975144 has 96 divisors (see below), whose sum is σ = 40230720. Its totient is φ = 3414528.

The previous prime is 12975139. The next prime is 12975161. The reversal of 12975144 is 44157921.

It is a happy number.

12975144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28164 + ... + 28620.

It is an arithmetic number, because the mean of its divisors is an integer number (419070).

Almost surely, 2^12975144 is an apocalyptic number.

12975144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12975144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20115360).

12975144 is an abundant number, since it is smaller than the sum of its proper divisors (27255576).

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

12975144 is a wasteful number, since it uses less digits than its factorization.

12975144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 482 counting only the distinct ones).

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

The square root of 12975144 is about 3602.1027192461. The cubic root of 12975144 is about 234.9835147633.

It can be divided in two parts, 129751 and 44, that added together give a triangular number (129795 = T₅₀₉).

The spelling of 12975144 in words is "twelve million, nine hundred seventy-five thousand, one hundred forty-four".