12843385 has 8 divisors (see below), whose sum is σ = 15511176. Its totient is φ = 10208640.

The previous prime is 12843377. The next prime is 12843409. The reversal of 12843385 is 58334821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 12538681 = 552^2 + 3541^2 .

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

It is not a de Polignac number, because 12843385 - 2³ = 12843377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12843385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396 + ... + 8965.

It is an arithmetic number, because the mean of its divisors is an integer number (1938897).

Almost surely, 2^12843385 is an apocalyptic number.

It is an amenable number.

12843385 is a deficient number, since it is larger than the sum of its proper divisors (2667791).

12843385 is a wasteful number, since it uses less digits than its factorization.

12843385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523.

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

The square root of 12843385 is about 3583.7668729983. The cubic root of 12843385 is about 234.1854095817.

The spelling of 12843385 in words is "twelve million, eight hundred forty-three thousand, three hundred eighty-five".