12169944 has 48 divisors (see below), whose sum is σ = 34398000. Its totient is φ = 3879744.

The previous prime is 12169933. The next prime is 12169957. The reversal of 12169944 is 44996121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12169899 and 12169908.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2019 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (716625).

Almost surely, 2^12169944 is an apocalyptic number.

It is an amenable number.

12169944 is an abundant number, since it is smaller than the sum of its proper divisors (22228056).

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

12169944 is a wasteful number, since it uses less digits than its factorization.

12169944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384 (or 7377 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12169944 is about 3488.5446822422. The cubic root of 12169944 is about 230.0185492286.

The spelling of 12169944 in words is "twelve million, one hundred sixty-nine thousand, nine hundred forty-four".