12424223 has 8 divisors (see below), whose sum is σ = 14222880. Its totient is φ = 10631520.

The previous prime is 12424201. The next prime is 12424231. The reversal of 12424223 is 32242421.

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 12424223 - 2¹⁸ = 12162079 is a prime.

It is a super-2 number, since 2×12424223² = 308722634307458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12424195 and 12424204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4733 + ... + 6873.

It is an arithmetic number, because the mean of its divisors is an integer number (1777860).

Almost surely, 2^12424223 is an apocalyptic number.

12424223 is a deficient number, since it is larger than the sum of its proper divisors (1798657).

12424223 is an equidigital number, since it uses as much as digits as its factorization.

12424223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its digits is 768, while the sum is 20.

The square root of 12424223 is about 3524.8011291419. The cubic root of 12424223 is about 231.6095232546.

Adding to 12424223 its reverse (32242421), we get a palindrome (44666644).

The spelling of 12424223 in words is "twelve million, four hundred twenty-four thousand, two hundred twenty-three".