12042685 has 24 divisors (see below), whose sum is σ = 15727320. Its totient is φ = 8840832.

The previous prime is 12042683. The next prime is 12042691. The reversal of 12042685 is 58624021.

It can be written as a sum of positive squares in 4 ways, for example, as 611524 + 11431161 = 782^2 + 3381^2 .

It is not a de Polignac number, because 12042685 - 2¹ = 12042683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76627 + ... + 76783.

It is an arithmetic number, because the mean of its divisors is an integer number (655305).

Almost surely, 2^12042685 is an apocalyptic number.

It is an amenable number.

12042685 is a deficient number, since it is larger than the sum of its proper divisors (3684635).

12042685 is a wasteful number, since it uses less digits than its factorization.

12042685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 12042685 is about 3470.2571950794. The cubic root of 12042685 is about 229.2139835446.

The spelling of 12042685 in words is "twelve million, forty-two thousand, six hundred eighty-five".