12418 has 8 divisors (see below), whose sum is σ = 21312. Its totient is φ = 5316.

The previous prime is 12413. The next prime is 12421. The reversal of 12418 is 81421.

It is a happy number.

12418 is nontrivially palindromic in base 3.

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 (12413) by changing a digit.

12418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (2664).

2¹²⁴¹⁸ is an apocalyptic number.

12418 is a deficient number, since it is larger than the sum of its proper divisors (8894).

12418 is an equidigital number, since it uses as much as digits as its factorization.

12418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its digits is 64, while the sum is 16.

The square root of 12418 is about 111.4360803331. The cubic root of 12418 is about 23.1570847549.

Adding to 12418 its reverse (81421), we get a palindrome (93839).

The spelling of 12418 in words is "twelve thousand, four hundred eighteen".