12530256 has 40 divisors (see below), whose sum is σ = 33164544. Its totient is φ = 4074240.

The previous prime is 12530251. The next prime is 12530257. The reversal of 12530256 is 65203521.

12530256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216 + ... + 5151.

Almost surely, 2^12530256 is an apocalyptic number.

12530256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12530256 is an abundant number, since it is smaller than the sum of its proper divisors (20634288).

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

12530256 is a wasteful number, since it uses less digits than its factorization.

12530256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 12530256 is about 3539.8101644015. The cubic root of 12530256 is about 232.2665386892.

Adding to 12530256 its reverse (65203521), we get a palindrome (77733777).

It can be divided in two parts, 125 and 30256, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 12530256 in words is "twelve million, five hundred thirty thousand, two hundred fifty-six".