12653303256 has 96 divisors (see below), whose sum is σ = 37407399120. Its totient is φ = 3832012800.

The previous prime is 12653303239. The next prime is 12653303347. The reversal of 12653303256 is 65230335621.

12653303256 is a `hidden beast` number, since 12 + 65 + 330 + 3 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12653303256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1669716 + ... + 1677276.

Almost surely, 2^12653303256 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 12653303256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18703699560).

12653303256 is an abundant number, since it is smaller than the sum of its proper divisors (24754095864).

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

12653303256 is a wasteful number, since it uses less digits than its factorization.

12653303256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697 (or 9690 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 12653303256 its reverse (65230335621), we get a palindrome (77883638877).

The spelling of 12653303256 in words is "twelve billion, six hundred fifty-three million, three hundred three thousand, two hundred fifty-six".