12162006 has 24 divisors (see below), whose sum is σ = 26419224. Its totient is φ = 4043520.

The previous prime is 12162001. The next prime is 12162043. The reversal of 12162006 is 60026121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12162006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9801 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (1100801).

Almost surely, 2^12162006 is an apocalyptic number.

12162006 is an abundant number, since it is smaller than the sum of its proper divisors (14257218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12162006 is a wasteful number, since it uses less digits than its factorization.

12162006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12162006 is about 3487.4067729475. The cubic root of 12162006 is about 229.9685275146.

Adding to 12162006 its reverse (60026121), we get a palindrome (72188127).

The spelling of 12162006 in words is "twelve million, one hundred sixty-two thousand, six".