12126318 has 8 divisors (see below), whose sum is σ = 24252648. Its totient is φ = 4042104.

The previous prime is 12126307. The next prime is 12126319. The reversal of 12126318 is 81362121.

It is a sphenic number, since it is the product of 3 distinct primes.

12126318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126319) 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 in 3 ways as a sum of consecutive naturals, for example, 1010521 + ... + 1010532.

It is an arithmetic number, because the mean of its divisors is an integer number (3031581).

Almost surely, 2^12126318 is an apocalyptic number.

12126318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12126318 is a wasteful number, since it uses less digits than its factorization.

12126318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021058.

The product of its digits is 576, while the sum is 24.

The square root of 12126318 is about 3482.2863179239. The cubic root of 12126318 is about 229.7433684542.

Adding to 12126318 its reverse (81362121), we get a palindrome (93488439).

The spelling of 12126318 in words is "twelve million, one hundred twenty-six thousand, three hundred eighteen".