12207233 has 4 divisors (see below), whose sum is σ = 12282288. Its totient is φ = 12132180.

The previous prime is 12207229. The next prime is 12207269. The reversal of 12207233 is 33270221.

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 an emirpimes, since its reverse is a distinct semiprime: 33270221 = 29 ⋅1147249.

It is a cyclic number.

It is not a de Polignac number, because 12207233 - 2² = 12207229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12207203) 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, 37283 + ... + 37608.

It is an arithmetic number, because the mean of its divisors is an integer number (3070572).

Almost surely, 2^12207233 is an apocalyptic number.

It is an amenable number.

12207233 is a deficient number, since it is larger than the sum of its proper divisors (75055).

12207233 is an equidigital number, since it uses as much as digits as its factorization.

12207233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75054.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 12207233 is about 3493.8850868339. The cubic root of 12207233 is about 230.2532371438.

Adding to 12207233 its reverse (33270221), we get a palindrome (45477454).

The spelling of 12207233 in words is "twelve million, two hundred seven thousand, two hundred thirty-three".