12809035 has 4 divisors (see below), whose sum is σ = 15370848. Its totient is φ = 10247224.

The previous prime is 12809023. The next prime is 12809047. The reversal of 12809035 is 53090821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12809023) and next prime (12809047).

It is a cyclic number.

It is not a de Polignac number, because 12809035 - 2⁵ = 12809003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12808994 and 12809012.

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 3 ways as a sum of consecutive naturals, for example, 1280899 + ... + 1280908.

It is an arithmetic number, because the mean of its divisors is an integer number (3842712).

Almost surely, 2^12809035 is an apocalyptic number.

12809035 is a deficient number, since it is larger than the sum of its proper divisors (2561813).

12809035 is an equidigital number, since it uses as much as digits as its factorization.

12809035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561812.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12809035 is about 3578.9712208957. The cubic root of 12809035 is about 233.9764446545.

Adding to 12809035 its reverse (53090821), we get a palindrome (65899856).

The spelling of 12809035 in words is "twelve million, eight hundred nine thousand, thirty-five".