12616223 has 4 divisors (see below), whose sum is σ = 12957240. Its totient is φ = 12275208.

The previous prime is 12616207. The next prime is 12616229. The reversal of 12616223 is 32261621.

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

It is a cyclic number.

It is not a de Polignac number, because 12616223 - 2⁴ = 12616207 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 (12616229) 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, 170453 + ... + 170526.

It is an arithmetic number, because the mean of its divisors is an integer number (3239310).

Almost surely, 2^12616223 is an apocalyptic number.

12616223 is a deficient number, since it is larger than the sum of its proper divisors (341017).

12616223 is an equidigital number, since it uses as much as digits as its factorization.

12616223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341016.

The product of its digits is 864, while the sum is 23.

The square root of 12616223 is about 3551.9322910213. The cubic root of 12616223 is about 232.7965030493.

Adding to 12616223 its reverse (32261621), we get a palindrome (44877844).

The spelling of 12616223 in words is "twelve million, six hundred sixteen thousand, two hundred twenty-three".