13361897 has 2 divisors, whose sum is σ = 13361898. Its totient is φ = 13361896.

The previous prime is 13361879. The next prime is 13361917. The reversal of 13361897 is 79816331.

Together with previous prime (13361879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 5683456 = 2771^2 + 2384^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361897 - 2¹⁰ = 13360873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13361897.

It is not a weakly prime, because it can be changed into another prime (13361297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680948 + 6680949.

It is an arithmetic number, because the mean of its divisors is an integer number (6680949).

Almost surely, 2^13361897 is an apocalyptic number.

It is an amenable number.

13361897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13361897 is an equidigital number, since it uses as much as digits as its factorization.

13361897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 13361897 is about 3655.3928653429. The cubic root of 13361897 is about 237.2954293839.

The spelling of 13361897 in words is "thirteen million, three hundred sixty-one thousand, eight hundred ninety-seven".