12162206 has 32 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 5011776.

The previous prime is 12162203. The next prime is 12162211. The reversal of 12162206 is 60226121.

12162206 = 109² + 110² + ... + 335².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162203) 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 15 ways as a sum of consecutive naturals, for example, 53465 + ... + 53691.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

Almost surely, 2^12162206 is an apocalyptic number.

12162206 is a deficient number, since it is larger than the sum of its proper divisors (9506914).

12162206 is a wasteful number, since it uses less digits than its factorization.

12162206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12162206 is about 3487.4354474312. The cubic root of 12162206 is about 229.9697880921.

Adding to 12162206 its reverse (60226121), we get a palindrome (72388327).

The spelling of 12162206 in words is "twelve million, one hundred sixty-two thousand, two hundred six".