12068728 has 32 divisors (see below), whose sum is σ = 26292960. Its totient is φ = 5086080.

The previous prime is 12068711. The next prime is 12068729. The reversal of 12068728 is 82786021.

12068728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12068693 and 12068702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12068729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (821655).

Almost surely, 2^12068728 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 12068728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13146480).

12068728 is an abundant number, since it is smaller than the sum of its proper divisors (14224232).

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

12068728 is a wasteful number, since it uses less digits than its factorization.

12068728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 12068728 is about 3474.0074841600. The cubic root of 12068728 is about 229.3790940623.

The spelling of 12068728 in words is "twelve million, sixty-eight thousand, seven hundred twenty-eight".