13172713 has 2 divisors, whose sum is σ = 13172714. Its totient is φ = 13172712.

The previous prime is 13172689. The next prime is 13172717. The reversal of 13172713 is 31727131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 2849344 = 3213^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 13172713 - 2¹⁷ = 13041641 is a prime.

It is not a weakly prime, because it can be changed into another prime (13172717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586356 + 6586357.

It is an arithmetic number, because the mean of its divisors is an integer number (6586357).

Almost surely, 2^13172713 is an apocalyptic number.

It is an amenable number.

13172713 is a deficient number, since it is larger than the sum of its proper divisors (1).

13172713 is an equidigital number, since it uses as much as digits as its factorization.

13172713 is an evil number, because the sum of its binary digits is even.

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

The square root of 13172713 is about 3629.4232324159. The cubic root of 13172713 is about 236.1701886935.

Adding to 13172713 its reverse (31727131), we get a palindrome (44899844).

The spelling of 13172713 in words is "thirteen million, one hundred seventy-two thousand, seven hundred thirteen".