12756919735 has 16 divisors (see below), whose sum is σ = 17650034496. Its totient is φ = 8670187008.

The previous prime is 12756919727. The next prime is 12756919781. The reversal of 12756919735 is 53791965721.

It is not a de Polignac number, because 12756919735 - 2³ = 12756919727 is a prime.

It is a super-2 number, since 2×12756919735² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1608804 + ... + 1616713.

It is an arithmetic number, because the mean of its divisors is an integer number (1103127156).

Almost surely, 2^12756919735 is an apocalyptic number.

12756919735 is a deficient number, since it is larger than the sum of its proper divisors (4893114761).

12756919735 is a wasteful number, since it uses less digits than its factorization.

12756919735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225642.

The product of its digits is 3572100, while the sum is 55.

The spelling of 12756919735 in words is "twelve billion, seven hundred fifty-six million, nine hundred nineteen thousand, seven hundred thirty-five".