12204256 has 12 divisors (see below), whose sum is σ = 24027192. Its totient is φ = 6102112.

The previous prime is 12204253. The next prime is 12204259. The reversal of 12204256 is 65240221.

It is an interprime number because it is at equal distance from previous prime (12204253) and next prime (12204259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204253) 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 as a sum of consecutive naturals, namely, 190660 + ... + 190723.

It is an arithmetic number, because the mean of its divisors is an integer number (2002266).

Almost surely, 2^12204256 is an apocalyptic number.

12204256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12204256 is a deficient number, since it is larger than the sum of its proper divisors (11822936).

12204256 is an equidigital number, since it uses as much as digits as its factorization.

12204256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381393 (or 381385 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12204256 is about 3493.4590308175. The cubic root of 12204256 is about 230.2345181975.

Adding to 12204256 its reverse (65240221), we get a palindrome (77444477).

It can be divided in two parts, 1220 and 4256, that added together give a square (5476 = 74²).

The spelling of 12204256 in words is "twelve million, two hundred four thousand, two hundred fifty-six".