12659059728 has 120 divisors (see below), whose sum is σ = 41988576448. Its totient is φ = 3616866432.

The previous prime is 12659059717. The next prime is 12659059739. The reversal of 12659059728 is 82795095621.

12659059728 is a `hidden beast` number, since 1 + 26 + 5 + 9 + 0 + 597 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (12659059717) and next prime (12659059739).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 205351 + ... + 259782.

Almost surely, 2^12659059728 is an apocalyptic number.

12659059728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12659059728 is an abundant number, since it is smaller than the sum of its proper divisors (29329516720).

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

12659059728 is an equidigital number, since it uses as much as digits as its factorization.

12659059728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465163 (or 465145 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 12659059728 in words is "twelve billion, six hundred fifty-nine million, fifty-nine thousand, seven hundred twenty-eight".