12009032 has 32 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 5104320.

The previous prime is 12009031. The next prime is 12009043. The reversal of 12009032 is 23090021.

It is a self number, because there is not a number n which added to its sum of digits gives 12009032.

It is not an unprimeable number, because it can be changed into a prime (12009031) 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, 6518 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

Almost surely, 2^12009032 is an apocalyptic number.

It is an amenable number.

12009032 is an abundant number, since it is smaller than the sum of its proper divisors (13936888).

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

12009032 is a wasteful number, since it uses less digits than its factorization.

12009032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12009032 is about 3465.4050268331. The cubic root of 12009032 is about 229.0002733227. Note that the first 3 decimals are identical.

Adding to 12009032 its reverse (23090021), we get a palindrome (35099053).

The spelling of 12009032 in words is "twelve million, nine thousand, thirty-two".