12826223 has 4 divisors (see below), whose sum is σ = 12893568. Its totient is φ = 12758880.

The previous prime is 12826199. The next prime is 12826237. The reversal of 12826223 is 32262821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12826223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12826192 and 12826201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826243) 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, 33386 + ... + 33767.

It is an arithmetic number, because the mean of its divisors is an integer number (3223392).

Almost surely, 2^12826223 is an apocalyptic number.

12826223 is a deficient number, since it is larger than the sum of its proper divisors (67345).

12826223 is an equidigital number, since it uses as much as digits as its factorization.

12826223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67344.

The product of its digits is 2304, while the sum is 26.

The square root of 12826223 is about 3581.3716646000. The cubic root of 12826223 is about 234.0810528383.

The spelling of 12826223 in words is "twelve million, eight hundred twenty-six thousand, two hundred twenty-three".