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12839343 = 3112291699
BaseRepresentation
bin110000111110…
…100110101111
3220011022021020
4300332212233
511241324333
61135105223
7214063326
oct60764657
926138236
1012839343
11727a430
124372213
13287705a
1419c30bd
1511d93b3
hexc3e9af

12839343 has 16 divisors (see below), whose sum is σ = 18768000. Its totient is φ = 7742880.

The previous prime is 12839293. The next prime is 12839357. The reversal of 12839343 is 34393821.

It is a happy number.

It is not a de Polignac number, because 12839343 - 26 = 12839279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6708 + ... + 8406.

It is an arithmetic number, because the mean of its divisors is an integer number (1173000).

Almost surely, 212839343 is an apocalyptic number.

12839343 is a deficient number, since it is larger than the sum of its proper divisors (5928657).

12839343 is a wasteful number, since it uses less digits than its factorization.

12839343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 15552, while the sum is 33.

The square root of 12839343 is about 3583.2028968508. The cubic root of 12839343 is about 234.1608398196.

The spelling of 12839343 in words is "twelve million, eight hundred thirty-nine thousand, three hundred forty-three".

Divisors: 1 3 11 33 229 687 1699 2519 5097 7557 18689 56067 389071 1167213 4279781 12839343