12630223 has 4 divisors (see below), whose sum is σ = 12637800. Its totient is φ = 12622648.

The previous prime is 12630221. The next prime is 12630229. The reversal of 12630223 is 32203621.

12630223 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12630223 - 2¹ = 12630221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12630223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630221) 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, 73 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (3159450).

Almost surely, 2^12630223 is an apocalyptic number.

12630223 is a deficient number, since it is larger than the sum of its proper divisors (7577).

12630223 is an equidigital number, since it uses as much as digits as its factorization.

12630223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12630223 is about 3553.9025028833. The cubic root of 12630223 is about 232.8825812743.

Adding to 12630223 its reverse (32203621), we get a palindrome (44833844).

The spelling of 12630223 in words is "twelve million, six hundred thirty thousand, two hundred twenty-three".