1320071713 has 2 divisors, whose sum is σ = 1320071714. Its totient is φ = 1320071712.

The previous prime is 1320071699. The next prime is 1320071761. The reversal of 1320071713 is 3171700231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005080209 + 314991504 = 31703^2 + 17748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320071713 - 2⁹ = 1320071201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320071783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660035856 + 660035857.

It is an arithmetic number, because the mean of its divisors is an integer number (660035857).

Almost surely, 2^1320071713 is an apocalyptic number.

It is an amenable number.

1320071713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320071713 is an equidigital number, since it uses as much as digits as its factorization.

1320071713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 1320071713 is about 36332.7911534470. The cubic root of 1320071713 is about 1096.9811753759.

Adding to 1320071713 its reverse (3171700231), we get a palindrome (4491771944).

The spelling of 1320071713 in words is "one billion, three hundred twenty million, seventy-one thousand, seven hundred thirteen".