12330518 has 4 divisors (see below), whose sum is σ = 18495780. Its totient is φ = 6165258.

The previous prime is 12330517. The next prime is 12330523. The reversal of 12330518 is 81503321.

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

It is a junction number, because it is equal to n+sod(n) for n = 12330493 and 12330502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082628 + ... + 3082631.

It is an arithmetic number, because the mean of its divisors is an integer number (4623945).

Almost surely, 2^12330518 is an apocalyptic number.

12330518 is a deficient number, since it is larger than the sum of its proper divisors (6165262).

12330518 is an equidigital number, since it uses as much as digits as its factorization.

12330518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165261.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12330518 is about 3511.4837319857. The cubic root of 12330518 is about 231.0257774998.

Adding to 12330518 its reverse (81503321), we get a palindrome (93833839).

The spelling of 12330518 in words is "twelve million, three hundred thirty thousand, five hundred eighteen".