12033317 has 4 divisors (see below), whose sum is σ = 12047916. Its totient is φ = 12018720.

The previous prime is 12033313. The next prime is 12033323. The reversal of 12033317 is 71333021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71333021 = 463 ⋅154067.

It can be written as a sum of positive squares in 2 ways, for example, as 6421156 + 5612161 = 2534^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 12033317 - 2² = 12033313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033313) 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, 5984 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (3011979).

Almost surely, 2^12033317 is an apocalyptic number.

It is an amenable number.

12033317 is a deficient number, since it is larger than the sum of its proper divisors (14599).

12033317 is an equidigital number, since it uses as much as digits as its factorization.

12033317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14598.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 12033317 is about 3468.9071766192. The cubic root of 12033317 is about 229.1545329701.

Adding to 12033317 its reverse (71333021), we get a palindrome (83366338).

The spelling of 12033317 in words is "twelve million, thirty-three thousand, three hundred seventeen".