12892223 has 4 divisors (see below), whose sum is σ = 12899568. Its totient is φ = 12884880.

The previous prime is 12892219. The next prime is 12892237. The reversal of 12892223 is 32229821.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12892223 - 2² = 12892219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12892423) 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, 683 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (3224892).

Almost surely, 2^12892223 is an apocalyptic number.

12892223 is a deficient number, since it is larger than the sum of its proper divisors (7345).

12892223 is an equidigital number, since it uses as much as digits as its factorization.

12892223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344.

The product of its digits is 3456, while the sum is 29.

The square root of 12892223 is about 3590.5741880652. The cubic root of 12892223 is about 234.4818703848.

The spelling of 12892223 in words is "twelve million, eight hundred ninety-two thousand, two hundred twenty-three".