12028256 has 24 divisors (see below), whose sum is σ = 24323040. Its totient is φ = 5851008.

The previous prime is 12028253. The next prime is 12028267. The reversal of 12028256 is 65282021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3896 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (1013460).

Almost surely, 2^12028256 is an apocalyptic number.

12028256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12028256 is an abundant number, since it is smaller than the sum of its proper divisors (12294784).

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

12028256 is a wasteful number, since it uses less digits than its factorization.

12028256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206 (or 10198 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12028256 is about 3468.1776194422. The cubic root of 12028256 is about 229.1224023525.

The spelling of 12028256 in words is "twelve million, twenty-eight thousand, two hundred fifty-six".