12823385 has 16 divisors (see below), whose sum is σ = 16286400. Its totient is φ = 9665856.

The previous prime is 12823379. The next prime is 12823409. The reversal of 12823385 is 58332821.

It is a cyclic number.

It is not a de Polignac number, because 12823385 - 2¹⁰ = 12822361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32771 + ... + 33159.

It is an arithmetic number, because the mean of its divisors is an integer number (1017900).

Almost surely, 2^12823385 is an apocalyptic number.

It is an amenable number.

12823385 is a deficient number, since it is larger than the sum of its proper divisors (3463015).

12823385 is a wasteful number, since it uses less digits than its factorization.

12823385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its digits is 11520, while the sum is 32.

The square root of 12823385 is about 3580.9754257744. The cubic root of 12823385 is about 234.0637868816.

The spelling of 12823385 in words is "twelve million, eight hundred twenty-three thousand, three hundred eighty-five".