12856735 has 8 divisors (see below), whose sum is σ = 15462000. Its totient is φ = 10262784.

The previous prime is 12856729. The next prime is 12856741. The reversal of 12856735 is 53765821.

It is an interprime number because it is at equal distance from previous prime (12856729) and next prime (12856741).

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 12856735 - 2⁵ = 12856703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12856694 and 12856703.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 82 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (1932750).

Almost surely, 2^12856735 is an apocalyptic number.

12856735 is a deficient number, since it is larger than the sum of its proper divisors (2605265).

12856735 is an equidigital number, since it uses as much as digits as its factorization.

12856735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657.

The product of its digits is 50400, while the sum is 37.

The square root of 12856735 is about 3585.6289545908. The cubic root of 12856735 is about 234.2665224818.

The spelling of 12856735 in words is "twelve million, eight hundred fifty-six thousand, seven hundred thirty-five".