12728874 has 8 divisors (see below), whose sum is σ = 25457760. Its totient is φ = 4242956.

The previous prime is 12728857. The next prime is 12728893. The reversal of 12728874 is 47882721.

It is a sphenic number, since it is the product of 3 distinct primes.

12728874 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060734 + ... + 1060745.

It is an arithmetic number, because the mean of its divisors is an integer number (3182220).

Almost surely, 2^12728874 is an apocalyptic number.

12728874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12728874 is a wasteful number, since it uses less digits than its factorization.

12728874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121484.

The product of its digits is 50176, while the sum is 39.

The square root of 12728874 is about 3567.7547561457. The cubic root of 12728874 is about 233.4873355230.

The spelling of 12728874 in words is "twelve million, seven hundred twenty-eight thousand, eight hundred seventy-four".