12680455727 has 4 divisors (see below), whose sum is σ = 12773013936. Its totient is φ = 12587897520.

The previous prime is 12680455721. The next prime is 12680455789. The reversal of 12680455727 is 72755408621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12680455727 - 2¹⁸ = 12680193583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680455721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46278899 + ... + 46279172.

It is an arithmetic number, because the mean of its divisors is an integer number (3193253484).

Almost surely, 2^12680455727 is an apocalyptic number.

12680455727 is a deficient number, since it is larger than the sum of its proper divisors (92558209).

12680455727 is an equidigital number, since it uses as much as digits as its factorization.

12680455727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92558208.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 12680455727 in words is "twelve billion, six hundred eighty million, four hundred fifty-five thousand, seven hundred twenty-seven".