12806037 has 12 divisors (see below), whose sum is σ = 18689580. Its totient is φ = 8448768.

The previous prime is 12805993. The next prime is 12806041. The reversal of 12806037 is 73060821.

It can be written as a sum of positive squares in 2 ways, for example, as 7017201 + 5788836 = 2649^2 + 2406^2 .

It is not a de Polignac number, because 12806037 - 2⁶ = 12805973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12806037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12806077) 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 in 11 ways as a sum of consecutive naturals, for example, 6462 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (1557465).

Almost surely, 2^12806037 is an apocalyptic number.

It is an amenable number.

12806037 is a deficient number, since it is larger than the sum of its proper divisors (5883543).

12806037 is a wasteful number, since it uses less digits than its factorization.

12806037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14772 (or 14769 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12806037 is about 3578.5523609415. The cubic root of 12806037 is about 233.9581888917.

Adding to 12806037 its reverse (73060821), we get a palindrome (85866858).

The spelling of 12806037 in words is "twelve million, eight hundred six thousand, thirty-seven".