12806038 has 32 divisors (see below), whose sum is σ = 23869440. Its totient is φ = 5028480.

The previous prime is 12805993. The next prime is 12806041. The reversal of 12806038 is 83060821.

It is a junction number, because it is equal to n+sod(n) for n = 12805997 and 12806015.

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, 7470 + ... + 9022.

It is an arithmetic number, because the mean of its divisors is an integer number (745920).

Almost surely, 2^12806038 is an apocalyptic number.

12806038 is a deficient number, since it is larger than the sum of its proper divisors (11063402).

12806038 is a wasteful number, since it uses less digits than its factorization.

12806038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12806038 is about 3578.5525006628. The cubic root of 12806038 is about 233.9581949815.

Adding to 12806038 its reverse (83060821), we get a palindrome (95866859).

The spelling of 12806038 in words is "twelve million, eight hundred six thousand, thirty-eight".