12685941 has 6 divisors (see below), whose sum is σ = 18324150. Its totient is φ = 8457288.

The previous prime is 12685919. The next prime is 12685943. The reversal of 12685941 is 14958621.

12685941 is a `hidden beast` number, since 1 + 2 + 68 + 594 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 2090916 = 3255^2 + 1446^2 .

It is not a de Polignac number, because 12685941 - 2¹¹ = 12683893 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12685896 and 12685905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 704766 + ... + 704783.

It is an arithmetic number, because the mean of its divisors is an integer number (3054025).

Almost surely, 2^12685941 is an apocalyptic number.

It is an amenable number.

12685941 is a deficient number, since it is larger than the sum of its proper divisors (5638209).

12685941 is a wasteful number, since it uses less digits than its factorization.

12685941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409555 (or 1409552 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12685941 is about 3561.7328647724. The cubic root of 12685941 is about 233.2245313603.

The spelling of 12685941 in words is "twelve million, six hundred eighty-five thousand, nine hundred forty-one".