13272726787391 has 2 divisors, whose sum is σ = 13272726787392. Its totient is φ = 13272726787390.

The previous prime is 13272726787387. The next prime is 13272726787417. The reversal of 13272726787391 is 19378762727231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13272726787391 - 2² = 13272726787387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13272726787591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6636363393695 + 6636363393696.

It is an arithmetic number, because the mean of its divisors is an integer number (6636363393696).

Almost surely, 2^{13272726787391} is an apocalyptic number.

13272726787391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13272726787391 is an equidigital number, since it uses as much as digits as its factorization.

13272726787391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74680704, while the sum is 65.

The spelling of 13272726787391 in words is "thirteen trillion, two hundred seventy-two billion, seven hundred twenty-six million, seven hundred eighty-seven thousand, three hundred ninety-one".