13247319347 has 2 divisors, whose sum is σ = 13247319348. Its totient is φ = 13247319346.

The previous prime is 13247319341. The next prime is 13247319427. The reversal of 13247319347 is 74391374231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13247319347 - 2¹² = 13247315251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13247319298 and 13247319307.

It is not a weakly prime, because it can be changed into another prime (13247319341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623659673 + 6623659674.

It is an arithmetic number, because the mean of its divisors is an integer number (6623659674).

Almost surely, 2^13247319347 is an apocalyptic number.

13247319347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247319347 is an equidigital number, since it uses as much as digits as its factorization.

13247319347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The spelling of 13247319347 in words is "thirteen billion, two hundred forty-seven million, three hundred nineteen thousand, three hundred forty-seven".