12674728 has 16 divisors (see below), whose sum is σ = 25925760. Its totient is φ = 5761200.

The previous prime is 12674719. The next prime is 12674731. The reversal of 12674728 is 82747621.

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, 71928 + ... + 72103.

It is an arithmetic number, because the mean of its divisors is an integer number (1620360).

Almost surely, 2^12674728 is an apocalyptic number.

It is an amenable number.

12674728 is an abundant number, since it is smaller than the sum of its proper divisors (13251032).

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

12674728 is a wasteful number, since it uses less digits than its factorization.

12674728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144048 (or 144044 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 12674728 is about 3560.1584234413. The cubic root of 12674728 is about 233.1557960165.

It can be divided in two parts, 1267 and 4728, that added together give a palindrome (5995).

The spelling of 12674728 in words is "twelve million, six hundred seventy-four thousand, seven hundred twenty-eight".