12748658256 has 160 divisors (see below), whose sum is σ = 37589260800. Its totient is φ = 4134965760.

The previous prime is 12748658183. The next prime is 12748658267. The reversal of 12748658256 is 65285684721.

12748658256 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 8 + 6 + 582 + 56 = 666.

12748658256 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 (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3673290 + ... + 3676758.

It is an arithmetic number, because the mean of its divisors is an integer number (234932880).

Almost surely, 2^12748658256 is an apocalyptic number.

12748658256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12748658256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18794630400).

12748658256 is an abundant number, since it is smaller than the sum of its proper divisors (24840602544).

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

12748658256 is a wasteful number, since it uses less digits than its factorization.

12748658256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714 (or 3702 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 12748658256 in words is "twelve billion, seven hundred forty-eight million, six hundred fifty-eight thousand, two hundred fifty-six".