12731743017 has 24 divisors (see below), whose sum is σ = 21066289920. Its totient is φ = 7258386240.

The previous prime is 12731743001. The next prime is 12731743049. The reversal of 12731743017 is 71034713721.

It is a happy number.

It is not a de Polignac number, because 12731743017 - 2⁴ = 12731743001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12731741017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207292 + ... + 261597.

It is an arithmetic number, because the mean of its divisors is an integer number (877762080).

Almost surely, 2^12731743017 is an apocalyptic number.

It is an amenable number.

12731743017 is a deficient number, since it is larger than the sum of its proper divisors (8334546903).

12731743017 is a wasteful number, since it uses less digits than its factorization.

12731743017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469333 (or 469330 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 12731743017 in words is "twelve billion, seven hundred thirty-one million, seven hundred forty-three thousand, seventeen".