12843836 has 6 divisors (see below), whose sum is σ = 22476720. Its totient is φ = 6421916.

The previous prime is 12843767. The next prime is 12843841. The reversal of 12843836 is 63834821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12843796 and 12843805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605476 + ... + 1605483.

It is an arithmetic number, because the mean of its divisors is an integer number (3746120).

Almost surely, 2^12843836 is an apocalyptic number.

It is an amenable number.

12843836 is a deficient number, since it is larger than the sum of its proper divisors (9632884).

12843836 is a wasteful number, since it uses less digits than its factorization.

12843836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210963 (or 3210961 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 12843836 is about 3583.8297950656. The cubic root of 12843836 is about 234.1881507174.

The spelling of 12843836 in words is "twelve million, eight hundred forty-three thousand, eight hundred thirty-six".