12169622 has 16 divisors (see below), whose sum is σ = 19364832. Its totient is φ = 5723520.

The previous prime is 12169621. The next prime is 12169627. The reversal of 12169622 is 22696121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12169621) 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 7 ways as a sum of consecutive naturals, for example, 638 + ... + 4974.

It is an arithmetic number, because the mean of its divisors is an integer number (1210302).

Almost surely, 2^12169622 is an apocalyptic number.

12169622 is a deficient number, since it is larger than the sum of its proper divisors (7195210).

12169622 is a wasteful number, since it uses less digits than its factorization.

12169622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its digits is 2592, while the sum is 29.

The square root of 12169622 is about 3488.4985308869. The cubic root of 12169622 is about 230.0165205525.

The spelling of 12169622 in words is "twelve million, one hundred sixty-nine thousand, six hundred twenty-two".