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12882872 = 231794727
BaseRepresentation
bin110001001001…
…001110111000
3220020111222102
4301021032320
511244222442
61140042532
7214334252
oct61111670
926214872
1012882872
1172aa102
124393448
132890b02
1419d4cd2
1511e7232
hexc493b8

12882872 has 16 divisors (see below), whose sum is σ = 25576560. Its totient is φ = 6062464.

The previous prime is 12882847. The next prime is 12882901. The reversal of 12882872 is 27828821.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 47228 + ... + 47499.

It is an arithmetic number, because the mean of its divisors is an integer number (1598535).

Almost surely, 212882872 is an apocalyptic number.

It is an amenable number.

12882872 is a deficient number, since it is larger than the sum of its proper divisors (12693688).

12882872 is a wasteful number, since it uses less digits than its factorization.

12882872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94750 (or 94746 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The square root of 12882872 is about 3589.2717924392. The cubic root of 12882872 is about 234.4251651316.

The spelling of 12882872 in words is "twelve million, eight hundred eighty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 94727 189454 378908 757816 1610359 3220718 6441436 12882872