13170137 has 2 divisors, whose sum is σ = 13170138. Its totient is φ = 13170136.

The previous prime is 13170109. The next prime is 13170139. The reversal of 13170137 is 73107131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10686361 + 2483776 = 3269^2 + 1576^2 .

It is an emirp because it is prime and its reverse (73107131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13170137 - 2¹⁴ = 13153753 is a prime.

Together with 13170139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13170139) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6585068 + 6585069.

It is an arithmetic number, because the mean of its divisors is an integer number (6585069).

Almost surely, 2^13170137 is an apocalyptic number.

It is an amenable number.

13170137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13170137 is an equidigital number, since it uses as much as digits as its factorization.

13170137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 13170137 is about 3629.0683377418. The cubic root of 13170137 is about 236.1547928757.

Adding to 13170137 its reverse (73107131), we get a palindrome (86277268).

The spelling of 13170137 in words is "thirteen million, one hundred seventy thousand, one hundred thirty-seven".