12213033 has 8 divisors (see below), whose sum is σ = 18610368. Its totient is φ = 6978864.

The previous prime is 12213017. The next prime is 12213037. The reversal of 12213033 is 33031221.

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

It is not a de Polignac number, because 12213033 - 2⁴ = 12213017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290766 + ... + 290807.

It is an arithmetic number, because the mean of its divisors is an integer number (2326296).

Almost surely, 2^12213033 is an apocalyptic number.

It is an amenable number.

12213033 is a deficient number, since it is larger than the sum of its proper divisors (6397335).

12213033 is an equidigital number, since it uses as much as digits as its factorization.

12213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581583.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12213033 is about 3494.7150098399. The cubic root of 12213033 is about 230.2896979678.

Adding to 12213033 its reverse (33031221), we get a palindrome (45244254).

The spelling of 12213033 in words is "twelve million, two hundred thirteen thousand, thirty-three".