12031433 has 8 divisors (see below), whose sum is σ = 12545280. Its totient is φ = 11524240.

The previous prime is 12031417. The next prime is 12031471. The reversal of 12031433 is 33413021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12031433 - 2⁴ = 12031417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 2^12031433 is an apocalyptic number.

It is an amenable number.

12031433 is a deficient number, since it is larger than the sum of its proper divisors (513847).

12031433 is a wasteful number, since it uses less digits than its factorization.

12031433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12031433 is about 3468.6356107265. The cubic root of 12031433 is about 229.1425731291.

Adding to 12031433 its reverse (33413021), we get a palindrome (45444454).

The spelling of 12031433 in words is "twelve million, thirty-one thousand, four hundred thirty-three".