12843389 has 8 divisors (see below), whose sum is σ = 13884192. Its totient is φ = 11810160.

The previous prime is 12843377. The next prime is 12843409. The reversal of 12843389 is 98334821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12843389 - 2⁸ = 12843133 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 (12843319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (1735524).

Almost surely, 2^12843389 is an apocalyptic number.

It is an amenable number.

12843389 is a deficient number, since it is larger than the sum of its proper divisors (1040803).

12843389 is a wasteful number, since it uses less digits than its factorization.

12843389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787.

The product of its digits is 41472, while the sum is 38.

The square root of 12843389 is about 3583.7674310703. The cubic root of 12843389 is about 234.1854338936.

The spelling of 12843389 in words is "twelve million, eight hundred forty-three thousand, three hundred eighty-nine".