12004032 has 56 divisors (see below), whose sum is σ = 32121856. Its totient is φ = 3955968.

The previous prime is 12003997. The next prime is 12004033. The reversal of 12004032 is 23040021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12003999 and 12004017.

It is not an unprimeable number, because it can be changed into a prime (12004033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19473 + ... + 20079.

Almost surely, 2^12004032 is an apocalyptic number.

12004032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12004032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16060928).

12004032 is an abundant number, since it is smaller than the sum of its proper divisors (20117824).

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

12004032 is a wasteful number, since it uses less digits than its factorization.

12004032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12004032 is about 3464.6835353319. The cubic root of 12004032 is about 228.9684872384.

Adding to 12004032 its reverse (23040021), we get a palindrome (35044053).

The spelling of 12004032 in words is "twelve million, four thousand, thirty-two".