12663233 has 4 divisors (see below), whose sum is σ = 13814448. Its totient is φ = 11512020.

The previous prime is 12663223. The next prime is 12663239. The reversal of 12663233 is 33236621.

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.

It is a cyclic number.

It is not a de Polignac number, because 12663233 - 2¹² = 12659137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12663239) 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, 575591 + ... + 575612.

It is an arithmetic number, because the mean of its divisors is an integer number (3453612).

Almost surely, 2^12663233 is an apocalyptic number.

It is an amenable number.

12663233 is a deficient number, since it is larger than the sum of its proper divisors (1151215).

12663233 is a wasteful number, since it uses less digits than its factorization.

12663233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151214.

The product of its digits is 3888, while the sum is 26.

The square root of 12663233 is about 3558.5436627924. The cubic root of 12663233 is about 233.0852899273.

Adding to 12663233 its reverse (33236621), we get a palindrome (45899854).

The spelling of 12663233 in words is "twelve million, six hundred sixty-three thousand, two hundred thirty-three".