12927928 has 32 divisors (see below), whose sum is σ = 26278560. Its totient is φ = 5927040.

The previous prime is 12927883. The next prime is 12927931. The reversal of 12927928 is 82972921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20173 + ... + 20803.

It is an arithmetic number, because the mean of its divisors is an integer number (821205).

Almost surely, 2^12927928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12927928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13139280).

12927928 is an abundant number, since it is smaller than the sum of its proper divisors (13350632).

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

12927928 is a wasteful number, since it uses less digits than its factorization.

12927928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 843 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 12927928 is about 3595.5427962965. The cubic root of 12927928 is about 234.6981366341.

The spelling of 12927928 in words is "twelve million, nine hundred twenty-seven thousand, nine hundred twenty-eight".