12673408705 has 16 divisors (see below), whose sum is σ = 15758772480. Its totient is φ = 9777575808.

The previous prime is 12673408661. The next prime is 12673408711. The reversal of 12673408705 is 50780437621.

It is a cyclic number.

It is not a de Polignac number, because 12673408705 - 2¹⁹ = 12672884417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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, 356092 + ... + 390061.

It is an arithmetic number, because the mean of its divisors is an integer number (984923280).

Almost surely, 2^12673408705 is an apocalyptic number.

It is an amenable number.

12673408705 is a deficient number, since it is larger than the sum of its proper divisors (3085363775).

12673408705 is an equidigital number, since it uses as much as digits as its factorization.

12673408705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746280.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 12673408705 in words is "twelve billion, six hundred seventy-three million, four hundred eight thousand, seven hundred five".