12411321 has 16 divisors (see below), whose sum is σ = 17943744. Its totient is φ = 7585344.

The previous prime is 12411319. The next prime is 12411331. The reversal of 12411321 is 12311421.

It is not a de Polignac number, because 12411321 - 2¹ = 12411319 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12411321.

It is not an unprimeable number, because it can be changed into a prime (12411331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5110 + ... + 7136.

It is an arithmetic number, because the mean of its divisors is an integer number (1121484).

Almost surely, 2^12411321 is an apocalyptic number.

It is an amenable number.

12411321 is a deficient number, since it is larger than the sum of its proper divisors (5532423).

12411321 is a wasteful number, since it uses less digits than its factorization.

12411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its digits is 48, while the sum is 15.

The square root of 12411321 is about 3522.9704795811. The cubic root of 12411321 is about 231.5293234426.

Adding to 12411321 its reverse (12311421), we get a palindrome (24722742).

It can be divided in two parts, 1241 and 1321, that multiplied together give a palindrome (1639361).

The spelling of 12411321 in words is "twelve million, four hundred eleven thousand, three hundred twenty-one".