12636233 has 4 divisors (see below), whose sum is σ = 12681168. Its totient is φ = 12591300.

The previous prime is 12636229. The next prime is 12636259. The reversal of 12636233 is 33263621.

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: 33263621 = 5101 ⋅6521.

It is a cyclic number.

It is not a de Polignac number, because 12636233 - 2² = 12636229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12636263) 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, 22043 + ... + 22608.

It is an arithmetic number, because the mean of its divisors is an integer number (3170292).

Almost surely, 2^12636233 is an apocalyptic number.

It is an amenable number.

12636233 is a deficient number, since it is larger than the sum of its proper divisors (44935).

12636233 is an equidigital number, since it uses as much as digits as its factorization.

12636233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44934.

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

The square root of 12636233 is about 3554.7479516838. The cubic root of 12636233 is about 232.9195139125.

Adding to 12636233 its reverse (33263621), we get a palindrome (45899854).

The spelling of 12636233 in words is "twelve million, six hundred thirty-six thousand, two hundred thirty-three".