12533256 has 48 divisors (see below), whose sum is σ = 34277100. Its totient is φ = 4136832.

The previous prime is 12533237. The next prime is 12533263. The reversal of 12533256 is 65233521.

It can be written as a sum of positive squares in 2 ways, for example, as 12489156 + 44100 = 3534^2 + 210^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7050 + ... + 8646.

Almost surely, 2^12533256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12533256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17138550).

12533256 is an abundant number, since it is smaller than the sum of its proper divisors (21743844).

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

12533256 is a wasteful number, since it uses less digits than its factorization.

12533256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1711 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 12533256 is about 3540.2338905784. The cubic root of 12533256 is about 232.2850736660.

Adding to 12533256 its reverse (65233521), we get a palindrome (77766777).

The spelling of 12533256 in words is "twelve million, five hundred thirty-three thousand, two hundred fifty-six".