11631227 has 4 divisors (see below), whose sum is σ = 11649960. Its totient is φ = 11612496.

The previous prime is 11631187. The next prime is 11631229. The reversal of 11631227 is 72213611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11631227 - 2¹² = 11627131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11631229) 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, 8402 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (2912490).

Almost surely, 2^11631227 is an apocalyptic number.

11631227 is a deficient number, since it is larger than the sum of its proper divisors (18733).

11631227 is an equidigital number, since it uses as much as digits as its factorization.

11631227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18732.

The product of its digits is 504, while the sum is 23.

The square root of 11631227 is about 3410.4584735780. The cubic root of 11631227 is about 226.5731854524.

Adding to 11631227 its reverse (72213611), we get a palindrome (83844838).

The spelling of 11631227 in words is "eleven million, six hundred thirty-one thousand, two hundred twenty-seven".