12324255 has 32 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 6140160.

The previous prime is 12324253. The next prime is 12324271. The reversal of 12324255 is 55242321.

It is not a de Polignac number, because 12324255 - 2¹ = 12324253 is a prime.

It is a super-2 number, since 2×12324255² = 303774522610050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23395 + ... + 23915.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^12324255 is an apocalyptic number.

12324255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12324255 is a deficient number, since it is larger than the sum of its proper divisors (8722785).

12324255 is a wasteful number, since it uses less digits than its factorization.

12324255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its digits is 2400, while the sum is 24.

The square root of 12324255 is about 3510.5918304468. The cubic root of 12324255 is about 230.9866561509.

Adding to 12324255 its reverse (55242321), we get a palindrome (67566576).

The spelling of 12324255 in words is "twelve million, three hundred twenty-four thousand, two hundred fifty-five".