12318206 has 4 divisors (see below), whose sum is σ = 18477312. Its totient is φ = 6159102.

The previous prime is 12318203. The next prime is 12318209. The reversal of 12318206 is 60281321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60281321 = 23 ⋅2620927.

It is an interprime number because it is at equal distance from previous prime (12318203) and next prime (12318209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079550 + ... + 3079553.

It is an arithmetic number, because the mean of its divisors is an integer number (4619328).

Almost surely, 2^12318206 is an apocalyptic number.

12318206 is a deficient number, since it is larger than the sum of its proper divisors (6159106).

12318206 is an equidigital number, since it uses as much as digits as its factorization.

12318206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159105.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12318206 is about 3509.7301890601. The cubic root of 12318206 is about 230.9488589523.

Adding to 12318206 its reverse (60281321), we get a palindrome (72599527).

The spelling of 12318206 in words is "twelve million, three hundred eighteen thousand, two hundred six".