12033920 has 32 divisors (see below), whose sum is σ = 28770120. Its totient is φ = 4813312.

The previous prime is 12033907. The next prime is 12033941. The reversal of 12033920 is 2933021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12033892 and 12033901.

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 3 ways as a sum of consecutive naturals, for example, 8762 + ... + 10041.

Almost surely, 2^12033920 is an apocalyptic number.

12033920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12033920 is an abundant number, since it is smaller than the sum of its proper divisors (16736200).

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

12033920 is an equidigital number, since it uses as much as digits as its factorization.

12033920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822 (or 18810 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 12033920 is about 3468.9940905110. The cubic root of 12033920 is about 229.1583606172.

Adding to 12033920 its reverse (2933021), we get a palindrome (14966941).

The spelling of 12033920 in words is "twelve million, thirty-three thousand, nine hundred twenty".