12244521 has 8 divisors (see below), whose sum is σ = 16767424. Its totient is φ = 7942320.

The previous prime is 12244513. The next prime is 12244523. The reversal of 12244521 is 12544221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12244521 - 2³ = 12244513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12244523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55045 + ... + 55266.

It is an arithmetic number, because the mean of its divisors is an integer number (2095928).

Almost surely, 2^12244521 is an apocalyptic number.

It is an amenable number.

12244521 is a deficient number, since it is larger than the sum of its proper divisors (4522903).

12244521 is a wasteful number, since it uses less digits than its factorization.

12244521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110351.

The product of its digits is 640, while the sum is 21.

The square root of 12244521 is about 3499.2171981745. The cubic root of 12244521 is about 230.4874413411.

Adding to 12244521 its reverse (12544221), we get a palindrome (24788742).

The spelling of 12244521 in words is "twelve million, two hundred forty-four thousand, five hundred twenty-one".