12864226 has 8 divisors (see below), whose sum is σ = 19961820. Its totient is φ = 6210288.

The previous prime is 12864217. The next prime is 12864227. The reversal of 12864226 is 62246821.

It can be written as a sum of positive squares in 2 ways, for example, as 11553201 + 1311025 = 3399^2 + 1145^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12864227) 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, 110841 + ... + 110956.

Almost surely, 2^12864226 is an apocalyptic number.

12864226 is a deficient number, since it is larger than the sum of its proper divisors (7097594).

12864226 is a wasteful number, since it uses less digits than its factorization.

12864226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221828.

The product of its digits is 9216, while the sum is 31.

The square root of 12864226 is about 3586.6733890891. The cubic root of 12864226 is about 234.3120122530.

The spelling of 12864226 in words is "twelve million, eight hundred sixty-four thousand, two hundred twenty-six".