12321206 has 8 divisors (see below), whose sum is σ = 18795240. Its totient is φ = 6056128.

The previous prime is 12321193. The next prime is 12321223. The reversal of 12321206 is 60212321.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 52091 + ... + 52326.

It is an arithmetic number, because the mean of its divisors is an integer number (2349405).

Almost surely, 2^12321206 is an apocalyptic number.

12321206 is a deficient number, since it is larger than the sum of its proper divisors (6474034).

12321206 is a wasteful number, since it uses less digits than its factorization.

12321206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104478.

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

The square root of 12321206 is about 3510.1575463218. The cubic root of 12321206 is about 230.9676060095.

Adding to 12321206 its reverse (60212321), we get a palindrome (72533527).

The spelling of 12321206 in words is "twelve million, three hundred twenty-one thousand, two hundred six".