12039685 has 16 divisors (see below), whose sum is σ = 16607232. Its totient is φ = 8208000.

The previous prime is 12039641. The next prime is 12039701. The reversal of 12039685 is 58693021.

12039685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12039685 - 2⁹ = 12039173 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 12039685.

It is a congruent number.

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, 5785 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (1037952).

Almost surely, 2^12039685 is an apocalyptic number.

It is an amenable number.

12039685 is a deficient number, since it is larger than the sum of its proper divisors (4567547).

12039685 is a wasteful number, since it uses less digits than its factorization.

12039685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12039685 is about 3469.8249235372. The cubic root of 12039685 is about 229.1949485022.

The spelling of 12039685 in words is "twelve million, thirty-nine thousand, six hundred eighty-five".