12033631 has 8 divisors (see below), whose sum is σ = 12769280. Its totient is φ = 11308248.

The previous prime is 12033617. The next prime is 12033641. The reversal of 12033631 is 13633021.

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 12033631 - 2⁵ = 12033599 is a prime.

It is a super-2 number, since 2×12033631² = 289616550088322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12033599 and 12033608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (1596160).

Almost surely, 2^12033631 is an apocalyptic number.

12033631 is a deficient number, since it is larger than the sum of its proper divisors (735649).

12033631 is a wasteful number, since it uses less digits than its factorization.

12033631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 12033631 is about 3468.9524355344. The cubic root of 12033631 is about 229.1565261555.

Adding to 12033631 its reverse (13633021), we get a palindrome (25666652).

The spelling of 12033631 in words is "twelve million, thirty-three thousand, six hundred thirty-one".