12878544 has 40 divisors (see below), whose sum is σ = 38023360. Its totient is φ = 3679488.

The previous prime is 12878531. The next prime is 12878563. The reversal of 12878544 is 44587821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18829 + ... + 19500.

It is an arithmetic number, because the mean of its divisors is an integer number (950584).

Almost surely, 2^12878544 is an apocalyptic number.

12878544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12878544 is an abundant number, since it is smaller than the sum of its proper divisors (25144816).

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

12878544 is a wasteful number, since it uses less digits than its factorization.

12878544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38347 (or 38341 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 12878544 is about 3588.6688339829. The cubic root of 12878544 is about 234.3989104851.

The spelling of 12878544 in words is "twelve million, eight hundred seventy-eight thousand, five hundred forty-four".