13369 has 4 divisors (see below), whose sum is σ = 13860. Its totient is φ = 12880.

The previous prime is 13367. The next prime is 13381. The reversal of 13369 is 96331.

13369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5625 + 7744 = 75^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 13369 - 2¹ = 13367 is a prime.

It is a super-2 number, since 2×13369² = 357460322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202 + ... + 259.

It is an arithmetic number, because the mean of its divisors is an integer number (3465).

2¹³³⁶⁹ is an apocalyptic number.

It is an amenable number.

13369 is a deficient number, since it is larger than the sum of its proper divisors (491).

13369 is an equidigital number, since it uses as much as digits as its factorization.

13369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 486, while the sum is 22.

The square root of 13369 is about 115.6243918903. The cubic root of 13369 is about 23.7337469594.

It can be divided in two parts, 133 and 69, that added together give a palindrome (202).

The spelling of 13369 in words is "thirteen thousand, three hundred sixty-nine".