12936005 has 16 divisors (see below), whose sum is σ = 16308864. Its totient is φ = 9831360.

The previous prime is 12935999. The next prime is 12936023. The reversal of 12936005 is 50063921.

It is not a de Polignac number, because 12936005 - 2⁸ = 12935749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22370 + ... + 22940.

It is an arithmetic number, because the mean of its divisors is an integer number (1019304).

Almost surely, 2^12936005 is an apocalyptic number.

It is an amenable number.

12936005 is a deficient number, since it is larger than the sum of its proper divisors (3372859).

12936005 is a wasteful number, since it uses less digits than its factorization.

12936005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 12936005 is about 3596.6658171145. The cubic root of 12936005 is about 234.7470040216.

Adding to 12936005 its reverse (50063921), we get a palindrome (62999926).

The spelling of 12936005 in words is "twelve million, nine hundred thirty-six thousand, five".