13122713 has 2 divisors, whose sum is σ = 13122714. Its totient is φ = 13122712.

The previous prime is 13122709. The next prime is 13122727. The reversal of 13122713 is 31722131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 753424 = 3517^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122713 - 2² = 13122709 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561356 + 6561357.

It is an arithmetic number, because the mean of its divisors is an integer number (6561357).

Almost surely, 2^13122713 is an apocalyptic number.

It is an amenable number.

13122713 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122713 is an equidigital number, since it uses as much as digits as its factorization.

13122713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 20.

The square root of 13122713 is about 3622.5285368096. The cubic root of 13122713 is about 235.8709974376.

Adding to 13122713 its reverse (31722131), we get a palindrome (44844844).

The spelling of 13122713 in words is "thirteen million, one hundred twenty-two thousand, seven hundred thirteen".