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12645834 = 234394801
BaseRepresentation
bin110000001111…
…010111001010
3212210110211020
4300033113022
511214131314
61131013310
7212326215
oct60172712
925713736
1012645834
117158003
12429a236
132809c56
14197277c
15119bda9
hexc0f5ca

12645834 has 16 divisors (see below), whose sum is σ = 25354560. Its totient is φ = 4204800.

The previous prime is 12645833. The next prime is 12645859. The reversal of 12645834 is 43854621.

12645834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12645795 and 12645804.

It is not an unprimeable number, because it can be changed into a prime (12645833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (1584660).

Almost surely, 212645834 is an apocalyptic number.

12645834 is an abundant number, since it is smaller than the sum of its proper divisors (12708726).

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

12645834 is a wasteful number, since it uses less digits than its factorization.

12645834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its digits is 23040, while the sum is 33.

The square root of 12645834 is about 3556.0981426277. The cubic root of 12645834 is about 232.9784896669.

The spelling of 12645834 in words is "twelve million, six hundred forty-five thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 439 878 1317 2634 4801 9602 14403 28806 2107639 4215278 6322917 12645834