1319886713 has 2 divisors, whose sum is σ = 1319886714. Its totient is φ = 1319886712.

The previous prime is 1319886697. The next prime is 1319886731. The reversal of 1319886713 is 3176889131.

Together with next prime (1319886731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720224569 + 599662144 = 26837^2 + 24488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319886713 - 2⁴ = 1319886697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1319886413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659943356 + 659943357.

It is an arithmetic number, because the mean of its divisors is an integer number (659943357).

Almost surely, 2^1319886713 is an apocalyptic number.

It is an amenable number.

1319886713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319886713 is an equidigital number, since it uses as much as digits as its factorization.

1319886713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The square root of 1319886713 is about 36330.2451546917. The cubic root of 1319886713 is about 1096.9299279079.

The spelling of 1319886713 in words is "one billion, three hundred nineteen million, eight hundred eighty-six thousand, seven hundred thirteen".