12836005 has 16 divisors (see below), whose sum is σ = 18958464. Its totient is φ = 8124480.

The previous prime is 12835961. The next prime is 12836023. The reversal of 12836005 is 50063821.

It is a happy number.

It is not a de Polignac number, because 12836005 - 2¹¹ = 12833957 is a prime.

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, 13651 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (1184904).

Almost surely, 2^12836005 is an apocalyptic number.

It is an amenable number.

12836005 is a deficient number, since it is larger than the sum of its proper divisors (6122459).

12836005 is a wasteful number, since it uses less digits than its factorization.

12836005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28236.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12836005 is about 3582.7370821761. The cubic root of 12836005 is about 234.1405455146.

Adding to 12836005 its reverse (50063821), we get a palindrome (62899826).

The spelling of 12836005 in words is "twelve million, eight hundred thirty-six thousand, five".