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12843872 = 25401371
BaseRepresentation
bin110000111111…
…101101100000
3220011112110222
4300333231200
511242000442
61135142212
7214112456
oct60775540
926145428
1012843872
117282878
124374968
132879132
1419c49d6
1511da8d2
hexc3fb60

12843872 has 12 divisors (see below), whose sum is σ = 25286436. Its totient is φ = 6421920.

The previous prime is 12843871. The next prime is 12843877. The reversal of 12843872 is 27834821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843871) by changing a digit.

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 as a sum of consecutive naturals, namely, 200654 + ... + 200717.

It is an arithmetic number, because the mean of its divisors is an integer number (2107203).

Almost surely, 212843872 is an apocalyptic number.

It is an amenable number.

12843872 is a deficient number, since it is larger than the sum of its proper divisors (12442564).

12843872 is an equidigital number, since it uses as much as digits as its factorization.

12843872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401381 (or 401373 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 12843872 is about 3583.8348176220. The cubic root of 12843872 is about 234.1883695193.

The spelling of 12843872 in words is "twelve million, eight hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 401371 802742 1605484 3210968 6421936 12843872