12932817973 has 4 divisors (see below), whose sum is σ = 13004270188. Its totient is φ = 12861365760.

The previous prime is 12932817943. The next prime is 12932817991. The reversal of 12932817973 is 37971823921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37971823921 = 79 ⋅480655999.

It can be written as a sum of positive squares in 2 ways, for example, as 757240324 + 12175577649 = 27518^2 + 110343^2 .

It is a cyclic number.

It is not a de Polignac number, because 12932817973 - 2²¹ = 12930720821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12932817973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12932817943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35725836 + ... + 35726197.

It is an arithmetic number, because the mean of its divisors is an integer number (3251067547).

Almost surely, 2^12932817973 is an apocalyptic number.

It is an amenable number.

12932817973 is a deficient number, since it is larger than the sum of its proper divisors (71452215).

12932817973 is an equidigital number, since it uses as much as digits as its factorization.

12932817973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71452214.

The product of its digits is 1143072, while the sum is 52.

The spelling of 12932817973 in words is "twelve billion, nine hundred thirty-two million, eight hundred seventeen thousand, nine hundred seventy-three".