12659309873 has 16 divisors (see below), whose sum is σ = 15245377920. Its totient is φ = 10268850816.

The previous prime is 12659309851. The next prime is 12659309881. The reversal of 12659309873 is 37890395621.

It is not a de Polignac number, because 12659309873 - 2¹⁴ = 12659293489 is a prime.

It is a super-2 number, since 2×12659309873² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12659309473) 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 15 ways as a sum of consecutive naturals, for example, 76811 + ... + 176687.

It is an arithmetic number, because the mean of its divisors is an integer number (952836120).

Almost surely, 2^12659309873 is an apocalyptic number.

It is an amenable number.

12659309873 is a deficient number, since it is larger than the sum of its proper divisors (2586068047).

12659309873 is an equidigital number, since it uses as much as digits as its factorization.

12659309873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100856.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 12659309873 in words is "twelve billion, six hundred fifty-nine million, three hundred nine thousand, eight hundred seventy-three".