12473073065 has 4 divisors (see below), whose sum is σ = 14967687684. Its totient is φ = 9978458448.

The previous prime is 12473072981. The next prime is 12473073097. The reversal of 12473073065 is 56037037421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9866051584 + 2607021481 = 99328^2 + 51059^2 .

It is a cyclic number.

It is not a de Polignac number, because 12473073065 - 2¹⁴ = 12473056681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1247307302 + ... + 1247307311.

It is an arithmetic number, because the mean of its divisors is an integer number (3741921921).

Almost surely, 2^12473073065 is an apocalyptic number.

It is an amenable number.

12473073065 is a deficient number, since it is larger than the sum of its proper divisors (2494614619).

12473073065 is an equidigital number, since it uses as much as digits as its factorization.

12473073065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494614618.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 12473073065 in words is "twelve billion, four hundred seventy-three million, seventy-three thousand, sixty-five".