12631227 has 8 divisors (see below), whose sum is σ = 19247616. Its totient is φ = 7217832.

The previous prime is 12631193. The next prime is 12631237. The reversal of 12631227 is 72213621.

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

It is not a de Polignac number, because 12631227 - 2¹⁰ = 12630203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12631197 and 12631206.

It is not an unprimeable number, because it can be changed into a prime (12631237) 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, 300723 + ... + 300764.

It is an arithmetic number, because the mean of its divisors is an integer number (2405952).

Almost surely, 2^12631227 is an apocalyptic number.

12631227 is a deficient number, since it is larger than the sum of its proper divisors (6616389).

12631227 is an equidigital number, since it uses as much as digits as its factorization.

12631227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601497.

The product of its digits is 1008, while the sum is 24.

The square root of 12631227 is about 3554.0437532478. The cubic root of 12631227 is about 232.8887518678. Note that the first 3 decimals are identical.

Adding to 12631227 its reverse (72213621), we get a palindrome (84844848).

The spelling of 12631227 in words is "twelve million, six hundred thirty-one thousand, two hundred twenty-seven".