12735885 has 32 divisors (see below), whose sum is σ = 21427200. Its totient is φ = 6451200.

The previous prime is 12735883. The next prime is 12735893. The reversal of 12735885 is 58853721.

12735885 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 12735885 - 2¹ = 12735883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735883) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28141 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 2^12735885 is an apocalyptic number.

12735885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12735885 is a deficient number, since it is larger than the sum of its proper divisors (8691315).

12735885 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (12735884) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (549).

12735885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its digits is 67200, while the sum is 39.

The square root of 12735885 is about 3568.7371716057. The cubic root of 12735885 is about 233.5301955396.

The spelling of 12735885 in words is "twelve million, seven hundred thirty-five thousand, eight hundred eighty-five".