28683012 has 24 divisors (see below), whose sum is σ = 70864416. Its totient is φ = 8998528.

The previous prime is 28682981. The next prime is 28683041. The reversal of 28683012 is 21038682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70098 + ... + 70505.

It is an arithmetic number, because the mean of its divisors is an integer number (2952684).

Almost surely, 2^28683012 is an apocalyptic number.

It is an amenable number.

28683012 is an abundant number, since it is smaller than the sum of its proper divisors (42181404).

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

28683012 is a wasteful number, since it uses less digits than its factorization.

28683012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140627 (or 140625 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28683012 is about 5355.6523412186. The cubic root of 28683012 is about 306.1081680046.

The spelling of 28683012 in words is "twenty-eight million, six hundred eighty-three thousand, twelve".