12206327 has 4 divisors (see below), whose sum is σ = 13950096. Its totient is φ = 10462560.

The previous prime is 12206309. The next prime is 12206339. The reversal of 12206327 is 72360221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12206327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871874 + ... + 871887.

It is an arithmetic number, because the mean of its divisors is an integer number (3487524).

Almost surely, 2^12206327 is an apocalyptic number.

12206327 is a deficient number, since it is larger than the sum of its proper divisors (1743769).

12206327 is an equidigital number, since it uses as much as digits as its factorization.

12206327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743768.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 12206327 is about 3493.7554293339. The cubic root of 12206327 is about 230.2475406687.

Adding to 12206327 its reverse (72360221), we get a palindrome (84566548).

The spelling of 12206327 in words is "twelve million, two hundred six thousand, three hundred twenty-seven".