12810135 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 6254208.

The previous prime is 12810121. The next prime is 12810143. The reversal of 12810135 is 53101821.

12810135 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12810135 - 2⁶ = 12810071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34722 + ... + 35088.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^12810135 is an apocalyptic number.

12810135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12810135 is a deficient number, since it is larger than the sum of its proper divisors (9446505).

12810135 is a wasteful number, since it uses less digits than its factorization.

12810135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 12810135 is about 3579.1248930430. The cubic root of 12810135 is about 233.9831421854.

Adding to 12810135 its reverse (53101821), we get a palindrome (65911956).

The spelling of 12810135 in words is "twelve million, eight hundred ten thousand, one hundred thirty-five".