13289197 has 2 divisors, whose sum is σ = 13289198. Its totient is φ = 13289196.

The previous prime is 13289191. The next prime is 13289209. The reversal of 13289197 is 79198231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8649481 + 4639716 = 2941^2 + 2154^2 .

It is a cyclic number.

It is not a de Polignac number, because 13289197 - 2²³ = 4900589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13289191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6644598 + 6644599.

It is an arithmetic number, because the mean of its divisors is an integer number (6644599).

Almost surely, 2^13289197 is an apocalyptic number.

It is an amenable number.

13289197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13289197 is an equidigital number, since it uses as much as digits as its factorization.

13289197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 13289197 is about 3645.4350906305. The cubic root of 13289197 is about 236.8642840162.

The spelling of 13289197 in words is "thirteen million, two hundred eighty-nine thousand, one hundred ninety-seven".