12544263 has 6 divisors (see below), whose sum is σ = 18119504. Its totient is φ = 8362836.

The previous prime is 12544241. The next prime is 12544289. The reversal of 12544263 is 36244521.

It is not a de Polignac number, because 12544263 - 2¹² = 12540167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696895 + ... + 696912.

Almost surely, 2^12544263 is an apocalyptic number.

12544263 is a deficient number, since it is larger than the sum of its proper divisors (5575241).

12544263 is a wasteful number, since it uses less digits than its factorization.

12544263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393813 (or 1393810 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12544263 is about 3541.7881077219. The cubic root of 12544263 is about 232.3530531733.

Adding to 12544263 its reverse (36244521), we get a palindrome (48788784).

The spelling of 12544263 in words is "twelve million, five hundred forty-four thousand, two hundred sixty-three".