12766145273 has 12 divisors (see below), whose sum is σ = 15059578752. Its totient is φ = 10788288840.

The previous prime is 12766145267. The next prime is 12766145297. The reversal of 12766145273 is 37254166721.

It is a happy number.

It is not a de Polignac number, because 12766145273 - 2⁸ = 12766145017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12766145233) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1831265 + ... + 1838222.

It is an arithmetic number, because the mean of its divisors is an integer number (1254964896).

Almost surely, 2^12766145273 is an apocalyptic number.

It is an amenable number.

12766145273 is a deficient number, since it is larger than the sum of its proper divisors (2293433479).

12766145273 is an equidigital number, since it uses as much as digits as its factorization.

12766145273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669572 (or 3669565 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 12766145273 in words is "twelve billion, seven hundred sixty-six million, one hundred forty-five thousand, two hundred seventy-three".