12728547557482 has 16 divisors (see below), whose sum is σ = 19336306602240. Its totient is φ = 6283127056752.

The previous prime is 12728547557431. The next prime is 12728547557501. The reversal of 12728547557482 is 28475574582721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057118 + ... + 5448745.

It is an arithmetic number, because the mean of its divisors is an integer number (1208519162640).

Almost surely, 2^{12728547557482} is an apocalyptic number.

12728547557482 is a deficient number, since it is larger than the sum of its proper divisors (6607759044758).

12728547557482 is a wasteful number, since it uses less digits than its factorization.

12728547557482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516677.

The product of its digits is 351232000, while the sum is 67.

The spelling of 12728547557482 in words is "twelve trillion, seven hundred twenty-eight billion, five hundred forty-seven million, five hundred fifty-seven thousand, four hundred eighty-two".