13394 has 8 divisors (see below), whose sum is σ = 20748. Its totient is φ = 6480.

The previous prime is 13381. The next prime is 13397. The reversal of 13394 is 49331.

13394 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 13225 + 169 = 115^2 + 13^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 164.

2¹³³⁹⁴ is an apocalyptic number.

13394 is a deficient number, since it is larger than the sum of its proper divisors (7354).

13394 is a wasteful number, since it uses less digits than its factorization.

13394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its digits is 324, while the sum is 20.

The square root of 13394 is about 115.7324500734. The cubic root of 13394 is about 23.7485317652.

Subtracting 13394 from its reverse (49331), we obtain a cube (35937 = 33³).

It can be divided in two parts, 1339 and 4, that multiplied together give a triangular number (5356 = T₁₀₃).

The spelling of 13394 in words is "thirteen thousand, three hundred ninety-four".