12000256 has 22 divisors (see below), whose sum is σ = 23990840. Its totient is φ = 5999616.

The previous prime is 12000253. The next prime is 12000257. The reversal of 12000256 is 65200021.

It is a happy number.

It is a super-2 number, since 2×12000256² = 288012288131072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4836 + ... + 6883.

Almost surely, 2^12000256 is an apocalyptic number.

12000256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12000256 is a deficient number, since it is larger than the sum of its proper divisors (11990584).

12000256 is an equidigital number, since it uses as much as digits as its factorization.

12000256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11739 (or 11721 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12000256 is about 3464.1385653579. The cubic root of 12000256 is about 228.9444765371.

Adding to 12000256 its reverse (65200021), we get a palindrome (77200277).

The spelling of 12000256 in words is "twelve million, two hundred fifty-six", and thus it is an aban number.