12734665775 has 24 divisors (see below), whose sum is σ = 17054835504. Its totient is φ = 9376876800.

The previous prime is 12734665771. The next prime is 12734665799. The reversal of 12734665775 is 57756643721.

It is not a de Polignac number, because 12734665775 - 2² = 12734665771 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 (12734665771) 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 23 ways as a sum of consecutive naturals, for example, 56315 + ... + 169235.

It is an arithmetic number, because the mean of its divisors is an integer number (710618146).

Almost surely, 2^12734665775 is an apocalyptic number.

12734665775 is a deficient number, since it is larger than the sum of its proper divisors (4320169729).

12734665775 is a wasteful number, since it uses less digits than its factorization.

12734665775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113291 (or 113286 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 53.

The spelling of 12734665775 in words is "twelve billion, seven hundred thirty-four million, six hundred sixty-five thousand, seven hundred seventy-five".