12634223 has 8 divisors (see below), whose sum is σ = 14482848. Its totient is φ = 10796544.

The previous prime is 12634207. The next prime is 12634231. The reversal of 12634223 is 32243621.

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

It is a cyclic number.

It is not a de Polignac number, because 12634223 - 2⁴ = 12634207 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 (12634243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (1810356).

Almost surely, 2^12634223 is an apocalyptic number.

12634223 is a deficient number, since it is larger than the sum of its proper divisors (1848625).

12634223 is an equidigital number, since it uses as much as digits as its factorization.

12634223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its digits is 1728, while the sum is 23.

The square root of 12634223 is about 3554.4652199733. The cubic root of 12634223 is about 232.9071633687.

Adding to 12634223 its reverse (32243621), we get a palindrome (44877844).

The spelling of 12634223 in words is "twelve million, six hundred thirty-four thousand, two hundred twenty-three".