12685037 has 2 divisors, whose sum is σ = 12685038. Its totient is φ = 12685036.

The previous prime is 12685033. The next prime is 12685051. The reversal of 12685037 is 73058621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 1522756 = 3341^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 12685037 - 2² = 12685033 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12684994 and 12685012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12685033) by changing a digit.

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 as a sum of consecutive naturals, namely, 6342518 + 6342519.

It is an arithmetic number, because the mean of its divisors is an integer number (6342519).

Almost surely, 2^12685037 is an apocalyptic number.

It is an amenable number.

12685037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12685037 is an equidigital number, since it uses as much as digits as its factorization.

12685037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12685037 is about 3561.6059579914. The cubic root of 12685037 is about 233.2189913697.

The spelling of 12685037 in words is "twelve million, six hundred eighty-five thousand, thirty-seven".