12823227 has 6 divisors (see below), whose sum is σ = 18522452. Its totient is φ = 8548812.
The previous prime is 12823211. The next prime is 12823229. The reversal of 12823227 is 72232821.
It is a happy number.
It is not a de Polignac number, because 12823227 - 24 = 12823211 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12823227.
It is not an unprimeable number, because it can be changed into a prime (12823229) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712393 + ... + 712410.
Almost surely, 212823227 is an apocalyptic number.
12823227 is a deficient number, since it is larger than the sum of its proper divisors (5699225).
12823227 is a wasteful number, since it uses less digits than its factorization.
12823227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1424809 (or 1424806 counting only the distinct ones).
The product of its digits is 2688, while the sum is 27.
The square root of 12823227 is about 3580.9533646782. The cubic root of 12823227 is about 234.0628255590.
The spelling of 12823227 in words is "twelve million, eight hundred twenty-three thousand, two hundred twenty-seven".
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