12231206 has 12 divisors (see below), whose sum is σ = 19867212. Its totient is φ = 5645016.

The previous prime is 12231203. The next prime is 12231227. The reversal of 12231206 is 60213221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231203) 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 5 ways as a sum of consecutive naturals, for example, 17756 + ... + 18431.

It is an arithmetic number, because the mean of its divisors is an integer number (1655601).

Almost surely, 2^12231206 is an apocalyptic number.

12231206 is a deficient number, since it is larger than the sum of its proper divisors (7636006).

12231206 is a wasteful number, since it uses less digits than its factorization.

12231206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36215 (or 36202 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12231206 is about 3497.3141122867. The cubic root of 12231206 is about 230.4038650932.

Adding to 12231206 its reverse (60213221), we get a palindrome (72444427).

The spelling of 12231206 in words is "twelve million, two hundred thirty-one thousand, two hundred six".