12726770651 has 16 divisors (see below), whose sum is σ = 14663877888. Its totient is φ = 10819504800.

The previous prime is 12726770629. The next prime is 12726770713. The reversal of 12726770651 is 15607762721.

It is a cyclic number.

It is not a de Polignac number, because 12726770651 - 2²⁶ = 12659661787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12726770621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2914796 + ... + 2919158.

It is an arithmetic number, because the mean of its divisors is an integer number (916492368).

Almost surely, 2^12726770651 is an apocalyptic number.

12726770651 is a deficient number, since it is larger than the sum of its proper divisors (1937107237).

12726770651 is a wasteful number, since it uses less digits than its factorization.

12726770651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 12726770651 in words is "twelve billion, seven hundred twenty-six million, seven hundred seventy thousand, six hundred fifty-one".