12855834 has 20 divisors (see below), whose sum is σ = 28806954. Its totient is φ = 4285224.

The previous prime is 12855833. The next prime is 12855851. The reversal of 12855834 is 43855821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 1946025 = 3303^2 + 1395^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12855833) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39517 + ... + 39840.

Almost surely, 2^12855834 is an apocalyptic number.

12855834 is an abundant number, since it is smaller than the sum of its proper divisors (15951120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12855834 is an equidigital number, since it uses as much as digits as its factorization.

12855834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79371 (or 79362 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 12855834 is about 3585.5033119494. The cubic root of 12855834 is about 234.2610498879.

It can be divided in two parts, 12855 and 834, that added together give a square (13689 = 117²).

The spelling of 12855834 in words is "twelve million, eight hundred fifty-five thousand, eight hundred thirty-four".