12746667443 has 8 divisors (see below), whose sum is σ = 12805554528. Its totient is φ = 12687905664.

The previous prime is 12746667433. The next prime is 12746667463. The reversal of 12746667443 is 34476664721.

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

It is a cyclic number.

It is not a de Polignac number, because 12746667443 - 2²⁴ = 12729890227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12746667391 and 12746667400.

It is not an unprimeable number, because it can be changed into a prime (12746667403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175730 + ... + 237432.

It is an arithmetic number, because the mean of its divisors is an integer number (1600694316).

Almost surely, 2^12746667443 is an apocalyptic number.

12746667443 is a deficient number, since it is larger than the sum of its proper divisors (58887085).

12746667443 is an equidigital number, since it uses as much as digits as its factorization.

12746667443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62653.

The product of its digits is 4064256, while the sum is 50.

The spelling of 12746667443 in words is "twelve billion, seven hundred forty-six million, six hundred sixty-seven thousand, four hundred forty-three".