12543363 has 48 divisors (see below), whose sum is σ = 22800000. Its totient is φ = 6776784.

The previous prime is 12543353. The next prime is 12543367. The reversal of 12543363 is 36334521.

It is a happy number.

12543363 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12543363 - 2⁴ = 12543347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12543367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24888 + ... + 25386.

It is an arithmetic number, because the mean of its divisors is an integer number (475000).

Almost surely, 2^12543363 is an apocalyptic number.

12543363 is a deficient number, since it is larger than the sum of its proper divisors (10256637).

12543363 is a wasteful number, since it uses less digits than its factorization.

12543363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 528 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 12543363 is about 3541.6610509759. The cubic root of 12543363 is about 232.3474962440.

Adding to 12543363 its reverse (36334521), we get a palindrome (48877884).

The spelling of 12543363 in words is "twelve million, five hundred forty-three thousand, three hundred sixty-three".