12354224 has 10 divisors (see below), whose sum is σ = 23936340. Its totient is φ = 6177104.

The previous prime is 12354193. The next prime is 12354227. The reversal of 12354224 is 42245321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12354224.

It is not an unprimeable number, because it can be changed into a prime (12354227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386054 + ... + 386085.

It is an arithmetic number, because the mean of its divisors is an integer number (2393634).

Almost surely, 2^12354224 is an apocalyptic number.

It is an amenable number.

12354224 is a deficient number, since it is larger than the sum of its proper divisors (11582116).

12354224 is an equidigital number, since it uses as much as digits as its factorization.

12354224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772147 (or 772141 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 12354224 is about 3514.8576073577. The cubic root of 12354224 is about 231.1737353577.

Adding to 12354224 its reverse (42245321), we get a palindrome (54599545).

The spelling of 12354224 in words is "twelve million, three hundred fifty-four thousand, two hundred twenty-four".