12028500 has 192 divisors, whose sum is σ = 42981120. Its totient is φ = 2916000.

The previous prime is 12028493. The next prime is 12028531. The reversal of 12028500 is 582021.

12028500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1093495 + ... + 1093505.

It is an arithmetic number, because the mean of its divisors is an integer number (223860).

Almost surely, 2^12028500 is an apocalyptic number.

12028500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12028500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21490560).

12028500 is an abundant number, since it is smaller than the sum of its proper divisors (30952620).

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

12028500 is an equidigital number, since it uses as much as digits as its factorization.

12028500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12028500 is about 3468.2127962396. The cubic root of 12028500 is about 229.1239516347.

The spelling of 12028500 in words is "twelve million, twenty-eight thousand, five hundred".