12544213 has 4 divisors (see below), whose sum is σ = 13684608. Its totient is φ = 11403820.

The previous prime is 12544201. The next prime is 12544219. The reversal of 12544213 is 31244521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12544213 - 2⁹ = 12543701 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570181 + ... + 570202.

It is an arithmetic number, because the mean of its divisors is an integer number (3421152).

Almost surely, 2^12544213 is an apocalyptic number.

It is an amenable number.

12544213 is a deficient number, since it is larger than the sum of its proper divisors (1140395).

12544213 is a wasteful number, since it uses less digits than its factorization.

12544213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140394.

The product of its digits is 960, while the sum is 22.

The square root of 12544213 is about 3541.7810491333. The cubic root of 12544213 is about 232.3527444620.

Adding to 12544213 its reverse (31244521), we get a palindrome (43788734).

The spelling of 12544213 in words is "twelve million, five hundred forty-four thousand, two hundred thirteen".