12731742773 has 8 divisors (see below), whose sum is σ = 12828170880. Its totient is φ = 12635365600.

The previous prime is 12731742767. The next prime is 12731742817. The reversal of 12731742773 is 37724713721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12731742773 - 2²⁶ = 12664633909 is a prime.

It is a super-3 number, since 3×12731742773³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12731742703) 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 7 ways as a sum of consecutive naturals, for example, 599348 + ... + 620226.

It is an arithmetic number, because the mean of its divisors is an integer number (1603521360).

Almost surely, 2^12731742773 is an apocalyptic number.

It is an amenable number.

12731742773 is a deficient number, since it is larger than the sum of its proper divisors (96428107).

12731742773 is a wasteful number, since it uses less digits than its factorization.

12731742773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467.

The product of its digits is 345744, while the sum is 44.

The spelling of 12731742773 in words is "twelve billion, seven hundred thirty-one million, seven hundred forty-two thousand, seven hundred seventy-three".