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12804836 = 22112312653
BaseRepresentation
bin110000110110…
…001011100100
3220002112221012
4300312023210
511234223321
61134241352
7213560612
oct60661344
926075835
1012804836
117256510
124356258
132864435
1419b46b2
1511ce05b
hexc362e4

12804836 has 24 divisors (see below), whose sum is σ = 25510464. Its totient is φ = 5566880.

The previous prime is 12804817. The next prime is 12804851. The reversal of 12804836 is 63840821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 212804836 is an apocalyptic number.

It is an amenable number.

12804836 is a deficient number, since it is larger than the sum of its proper divisors (12705628).

12804836 is a wasteful number, since it uses less digits than its factorization.

12804836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691 (or 12689 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 12804836 is about 3578.3845517216. The cubic root of 12804836 is about 233.9508748265.

It can be divided in two parts, 1280 and 4836, that added together give a palindrome (6116).

The spelling of 12804836 in words is "twelve million, eight hundred four thousand, eight hundred thirty-six".

Divisors: 1 2 4 11 22 23 44 46 92 253 506 1012 12653 25306 50612 139183 278366 291019 556732 582038 1164076 3201209 6402418 12804836