13368569 has 2 divisors, whose sum is σ = 13368570. Its totient is φ = 13368568.

The previous prime is 13368559. The next prime is 13368587. The reversal of 13368569 is 96586331.

13368569 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 659344 = 3565^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 13368569 - 2¹² = 13364473 is a prime.

It is a super-2 number, since 2×13368569² = 357437274215522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13368529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6684284 + 6684285.

It is an arithmetic number, because the mean of its divisors is an integer number (6684285).

Almost surely, 2^13368569 is an apocalyptic number.

It is an amenable number.

13368569 is a deficient number, since it is larger than the sum of its proper divisors (1).

13368569 is an equidigital number, since it uses as much as digits as its factorization.

13368569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 13368569 is about 3656.3053756490. The cubic root of 13368569 is about 237.3349190776.

The spelling of 13368569 in words is "thirteen million, three hundred sixty-eight thousand, five hundred sixty-nine".