13418 has 4 divisors (see below), whose sum is σ = 20130.
Its totient is φ = 6708.
The previous prime is 13417. The next prime is 13421. The reversal of 13418 is 81431.
It is a happy number.
13418 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, and also an emirpimes, since its reverse is a distinct semiprime: 81431 = 7 ⋅11633.
It can be written as a sum of positive squares in only one way, i.e., 10609 + 2809 = 103^2 + 53^2
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 13396 and 13405.
It is not an unprimeable number, because it can be changed into a prime (13411) 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 as a sum of consecutive naturals, namely, 3353 + ... + 3356.
213418 is an apocalyptic number.
13418 is a deficient number, since it is larger than the sum of its proper divisors (6712).
13418 is an equidigital number, since it uses as much as digits as its factorization.
13418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6711.
The product of its digits is 96, while the sum is 17.
The square root of 13418 is about 115.8360910943.
The cubic root of 13418 is about 23.7627078806.
Adding to 13418 its reverse (81431), we get a palindrome (94849).
The spelling of 13418 in words is "thirteen thousand, four hundred eighteen".