12818806 has 64 divisors (see below), whose sum is σ = 27256320. Its totient is φ = 4354560.

The previous prime is 12818791. The next prime is 12818807. The reversal of 12818806 is 60881821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12818807) 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 31 ways as a sum of consecutive naturals, for example, 37870 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (425880).

Almost surely, 2^12818806 is an apocalyptic number.

12818806 is an abundant number, since it is smaller than the sum of its proper divisors (14437514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12818806 is a wasteful number, since it uses less digits than its factorization.

12818806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 12818806 is about 3580.3360177503. The cubic root of 12818806 is about 234.0359235762.

It can be divided in two parts, 12 and 818806, that added together give a palindrome (818818).

The spelling of 12818806 in words is "twelve million, eight hundred eighteen thousand, eight hundred six".