12878512 has 20 divisors (see below), whose sum is σ = 25095616. Its totient is φ = 6402240.

The previous prime is 12878491. The next prime is 12878519. The reversal of 12878512 is 21587821.

It is not an unprimeable number, because it can be changed into a prime (12878519) 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, 673 + ... + 5119.

Almost surely, 2^12878512 is an apocalyptic number.

It is an amenable number.

12878512 is a deficient number, since it is larger than the sum of its proper divisors (12217104).

12878512 is a wasteful number, since it uses less digits than its factorization.

12878512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636 (or 4630 counting only the distinct ones).

The product of its digits is 8960, while the sum is 34.

The square root of 12878512 is about 3588.6643755024. The cubic root of 12878512 is about 234.3987163438.

The spelling of 12878512 in words is "twelve million, eight hundred seventy-eight thousand, five hundred twelve".