12324418 has 4 divisors (see below), whose sum is σ = 18486630. Its totient is φ = 6162208.

The previous prime is 12324413. The next prime is 12324419. The reversal of 12324418 is 81442321.

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

It can be written as a sum of positive squares in only one way, i.e., 8838729 + 3485689 = 2973^2 + 1867^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12324392 and 12324401.

It is not an unprimeable number, because it can be changed into a prime (12324413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3081103 + ... + 3081106.

Almost surely, 2^12324418 is an apocalyptic number.

12324418 is a deficient number, since it is larger than the sum of its proper divisors (6162212).

12324418 is an equidigital number, since it uses as much as digits as its factorization.

12324418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162211.

The product of its digits is 1536, while the sum is 25.

The square root of 12324418 is about 3510.6150458289. The cubic root of 12324418 is about 230.9876744859.

Adding to 12324418 its reverse (81442321), we get a palindrome (93766739).

The spelling of 12324418 in words is "twelve million, three hundred twenty-four thousand, four hundred eighteen".