12302256 has 40 divisors (see below), whose sum is σ = 31966704. Its totient is φ = 4076800.

The previous prime is 12302249. The next prime is 12302273. The reversal of 12302256 is 65220321.

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, 8806 + ... + 10106.

Almost surely, 2^12302256 is an apocalyptic number.

12302256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12302256 is an abundant number, since it is smaller than the sum of its proper divisors (19664448).

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

12302256 is a wasteful number, since it uses less digits than its factorization.

12302256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12302256 is about 3507.4571985984. The cubic root of 12302256 is about 230.8491359531.

Adding to 12302256 its reverse (65220321), we get a palindrome (77522577).

It can be divided in two parts, 1230 and 2256, that added together give a triangular number (3486 = T₈₃).

The spelling of 12302256 in words is "twelve million, three hundred two thousand, two hundred fifty-six".