12726862723 has 2 divisors, whose sum is σ = 12726862724. Its totient is φ = 12726862722.

The previous prime is 12726862717. The next prime is 12726862751. The reversal of 12726862723 is 32726862721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12726862723 is a prime.

It is not a weakly prime, because it can be changed into another prime (12726862793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6363431361 + 6363431362.

It is an arithmetic number, because the mean of its divisors is an integer number (6363431362).

Almost surely, 2^12726862723 is an apocalyptic number.

12726862723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12726862723 is an equidigital number, since it uses as much as digits as its factorization.

12726862723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The spelling of 12726862723 in words is "twelve billion, seven hundred twenty-six million, eight hundred sixty-two thousand, seven hundred twenty-three".