12843000 has 96 divisors (see below), whose sum is σ = 43439760. Its totient is φ = 3422400.

The previous prime is 12842989. The next prime is 12843011. The reversal of 12843000 is 34821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12842989) and next prime (12843011).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8287 + ... + 9713.

It is a vampire number, since it can be written as 3000 ⋅ 4281 (with its own digits).

Almost surely, 2^12843000 is an apocalyptic number.

12843000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12843000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21719880).

12843000 is an abundant number, since it is smaller than the sum of its proper divisors (30596760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12843000 is a wasteful number, since it uses less digits than its factorization.

12843000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12843000 is about 3583.7131581643. The cubic root of 12843000 is about 234.1830695371.

Adding to 12843000 its reverse (34821), we get a palindrome (12877821).

The spelling of 12843000 in words is "twelve million, eight hundred forty-three thousand".