12354218 has 16 divisors (see below), whose sum is σ = 19746720. Its totient is φ = 5780016.

The previous prime is 12354193. The next prime is 12354227. The reversal of 12354218 is 81245321.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1196 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (1234170).

Almost surely, 2^12354218 is an apocalyptic number.

12354218 is a deficient number, since it is larger than the sum of its proper divisors (7392502).

12354218 is a wasteful number, since it uses less digits than its factorization.

12354218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its digits is 1920, while the sum is 26.

The square root of 12354218 is about 3514.8567538379. The cubic root of 12354218 is about 231.1736979334.

Adding to 12354218 its reverse (81245321), we get a palindrome (93599539).

The spelling of 12354218 in words is "twelve million, three hundred fifty-four thousand, two hundred eighteen".