12673505815 has 8 divisors (see below), whose sum is σ = 15210258048. Its totient is φ = 10137437280.

The previous prime is 12673505791. The next prime is 12673505821. The reversal of 12673505815 is 51850537621.

It is a happy number.

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

It is not a de Polignac number, because 12673505815 - 2⁵ = 12673505783 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 129216 + ... + 205045.

It is an arithmetic number, because the mean of its divisors is an integer number (1901282256).

Almost surely, 2^12673505815 is an apocalyptic number.

12673505815 is a deficient number, since it is larger than the sum of its proper divisors (2536752233).

12673505815 is an equidigital number, since it uses as much as digits as its factorization.

12673505815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341849.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 12673505815 in words is "twelve billion, six hundred seventy-three million, five hundred five thousand, eight hundred fifteen".