12843963 has 12 divisors (see below), whose sum is σ = 20239128. Its totient is φ = 7784160.

The previous prime is 12843953. The next prime is 12843973. The reversal of 12843963 is 36934821.

It is an interprime number because it is at equal distance from previous prime (12843953) and next prime (12843973).

It is not a de Polignac number, because 12843963 - 2⁹ = 12843451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12843953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64770 + ... + 64967.

It is an arithmetic number, because the mean of its divisors is an integer number (1686594).

Almost surely, 2^12843963 is an apocalyptic number.

12843963 is a deficient number, since it is larger than the sum of its proper divisors (7395165).

12843963 is a wasteful number, since it uses less digits than its factorization.

12843963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129754 (or 129751 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12843963 is about 3583.8475134972. The cubic root of 12843963 is about 234.1889226000.

The spelling of 12843963 in words is "twelve million, eight hundred forty-three thousand, nine hundred sixty-three".