12726330776 has 8 divisors (see below), whose sum is σ = 23861870220. Its totient is φ = 6363165384.

The previous prime is 12726330761. The next prime is 12726330779. The reversal of 12726330776 is 67703362721.

12726330776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12726330779) by changing a digit.

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 as a sum of consecutive naturals, namely, 795395666 + ... + 795395681.

Almost surely, 2^12726330776 is an apocalyptic number.

It is an amenable number.

12726330776 is a deficient number, since it is larger than the sum of its proper divisors (11135539444).

12726330776 is a wasteful number, since it uses less digits than its factorization.

12726330776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590791353 (or 1590791349 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 12726330776 in words is "twelve billion, seven hundred twenty-six million, three hundred thirty thousand, seven hundred seventy-six".