12636231 has 8 divisors (see below), whose sum is σ = 16873200. Its totient is φ = 8411712.

The previous prime is 12636229. The next prime is 12636259. The reversal of 12636231 is 13263621.

It is a happy number.

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

It is not a de Polignac number, because 12636231 - 2¹ = 12636229 is a prime.

It is a super-2 number, since 2×12636231² = 319348667770722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (2109150).

Almost surely, 2^12636231 is an apocalyptic number.

12636231 is a deficient number, since it is larger than the sum of its proper divisors (4236969).

12636231 is an equidigital number, since it uses as much as digits as its factorization.

12636231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225.

The product of its digits is 1296, while the sum is 24.

The square root of 12636231 is about 3554.7476703699. The cubic root of 12636231 is about 232.9195016241.

Adding to 12636231 its reverse (13263621), we get a palindrome (25899852).

The spelling of 12636231 in words is "twelve million, six hundred thirty-six thousand, two hundred thirty-one".