12869227 has 4 divisors (see below), whose sum is σ = 14707696. Its totient is φ = 11030760.

The previous prime is 12869209. The next prime is 12869237. The reversal of 12869227 is 72296821.

12869227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72296821 = 947 ⋅76343.

It is a cyclic number.

It is not a de Polignac number, because 12869227 - 2¹⁵ = 12836459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12869237) 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 3 ways as a sum of consecutive naturals, for example, 919224 + ... + 919237.

It is an arithmetic number, because the mean of its divisors is an integer number (3676924).

Almost surely, 2^12869227 is an apocalyptic number.

12869227 is a deficient number, since it is larger than the sum of its proper divisors (1838469).

12869227 is an equidigital number, since it uses as much as digits as its factorization.

12869227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838468.

The product of its digits is 24192, while the sum is 37.

The square root of 12869227 is about 3587.3704854670. The cubic root of 12869227 is about 234.3423714460.

The spelling of 12869227 in words is "twelve million, eight hundred sixty-nine thousand, two hundred twenty-seven".