12543883 has 4 divisors (see below), whose sum is σ = 13684248. Its totient is φ = 11403520.

The previous prime is 12543859. The next prime is 12543887. The reversal of 12543883 is 38834521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12543883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12543887) 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, 570166 + ... + 570187.

It is an arithmetic number, because the mean of its divisors is an integer number (3421062).

Almost surely, 2^12543883 is an apocalyptic number.

12543883 is a deficient number, since it is larger than the sum of its proper divisors (1140365).

12543883 is a wasteful number, since it uses less digits than its factorization.

12543883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140364.

The product of its digits is 23040, while the sum is 34.

The square root of 12543883 is about 3541.7344620962. The cubic root of 12543883 is about 232.3507069467.

It can be divided in two parts, 125438 and 83, that added together give a palindrome (125521).

The spelling of 12543883 in words is "twelve million, five hundred forty-three thousand, eight hundred eighty-three".