13247066117 has 2 divisors, whose sum is σ = 13247066118. Its totient is φ = 13247066116.

The previous prime is 13247066087. The next prime is 13247066149. The reversal of 13247066117 is 71166074231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6815988481 + 6431077636 = 82559^2 + 80194^2 .

It is a cyclic number.

It is not a de Polignac number, because 13247066117 - 2¹² = 13247062021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13247066167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623533058 + 6623533059.

It is an arithmetic number, because the mean of its divisors is an integer number (6623533059).

Almost surely, 2^13247066117 is an apocalyptic number.

It is an amenable number.

13247066117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247066117 is an equidigital number, since it uses as much as digits as its factorization.

13247066117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 13247066117 in words is "thirteen billion, two hundred forty-seven million, sixty-six thousand, one hundred seventeen".