12028580 has 24 divisors (see below), whose sum is σ = 25877880. Its totient is φ = 4693760.

The previous prime is 12028573. The next prime is 12028603. The reversal of 12028580 is 8582021.

12028580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 11874916 = 392^2 + 3446^2 .

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, 6515 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (1078245).

Almost surely, 2^12028580 is an apocalyptic number.

12028580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12028580 is an abundant number, since it is smaller than the sum of its proper divisors (13849300).

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

12028580 is a wasteful number, since it uses less digits than its factorization.

12028580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14719 (or 14717 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 12028580 is about 3468.2243295381. The cubic root of 12028580 is about 229.1244595915.

The spelling of 12028580 in words is "twelve million, twenty-eight thousand, five hundred eighty".