12040033 has 4 divisors (see below), whose sum is σ = 12048048. Its totient is φ = 12032020.

The previous prime is 12040027. The next prime is 12040057. The reversal of 12040033 is 33004021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12040033 - 2⁵ = 12040001 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12039995 and 12040022.

It is not an unprimeable number, because it can be changed into a prime (12040013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003 + ... + 5008.

It is an arithmetic number, because the mean of its divisors is an integer number (3012012).

Almost surely, 2^12040033 is an apocalyptic number.

It is an amenable number.

12040033 is a deficient number, since it is larger than the sum of its proper divisors (8015).

12040033 is an equidigital number, since it uses as much as digits as its factorization.

12040033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 12040033 is about 3469.8750697972. The cubic root of 12040033 is about 229.1971567292.

Adding to 12040033 its reverse (33004021), we get a palindrome (45044054).

The spelling of 12040033 in words is "twelve million, forty thousand, thirty-three".