12835281 has 8 divisors (see below), whose sum is σ = 17169984. Its totient is φ = 8528720.

The previous prime is 12835267. The next prime is 12835283. The reversal of 12835281 is 18253821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12835281 - 2¹⁰ = 12834257 is a prime.

It is a super-2 number, since 2×12835281² = 329488876697922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12835283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5946 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (2146248).

Almost surely, 2^12835281 is an apocalyptic number.

It is an amenable number.

12835281 is a deficient number, since it is larger than the sum of its proper divisors (4334703).

12835281 is a wasteful number, since it uses less digits than its factorization.

12835281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071.

The product of its digits is 3840, while the sum is 30.

The square root of 12835281 is about 3582.6360406829. The cubic root of 12835281 is about 234.1361432897.

The spelling of 12835281 in words is "twelve million, eight hundred thirty-five thousand, two hundred eighty-one".