12826730867 has 4 divisors (see below), whose sum is σ = 12827085360. Its totient is φ = 12826376376.

The previous prime is 12826730863. The next prime is 12826730893. The reversal of 12826730867 is 76803762821.

12826730867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12826730867 - 2² = 12826730863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12826730863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115892 + ... + 197697.

It is an arithmetic number, because the mean of its divisors is an integer number (3206771340).

Almost surely, 2^12826730867 is an apocalyptic number.

12826730867 is a deficient number, since it is larger than the sum of its proper divisors (354493).

12826730867 is an equidigital number, since it uses as much as digits as its factorization.

12826730867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354492.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 12826730867 in words is "twelve billion, eight hundred twenty-six million, seven hundred thirty thousand, eight hundred sixty-seven".