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12882856 = 2373141181
BaseRepresentation
bin110001001001…
…001110101000
3220020111221211
4301021032220
511244222411
61140042504
7214334230
oct61111650
926214854
1012882856
1172aa098
124393434
132890abc
1419d4cc0
1511e7221
hexc493a8

12882856 has 64 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 5184000.

The previous prime is 12882847. The next prime is 12882901. The reversal of 12882856 is 65828821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71086 + ... + 71266.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 212882856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12882856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676480).

12882856 is an abundant number, since it is smaller than the sum of its proper divisors (16470104).

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

12882856 is a wasteful number, since it uses less digits than its factorization.

12882856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 12882856 is about 3589.2695635742. The cubic root of 12882856 is about 234.4250680828.

The spelling of 12882856 in words is "twelve million, eight hundred eighty-two thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 31 41 56 62 82 124 164 181 217 248 287 328 362 434 574 724 868 1148 1267 1271 1448 1736 2296 2534 2542 5068 5084 5611 7421 8897 10136 10168 11222 14842 17794 22444 29684 35588 39277 44888 51947 59368 71176 78554 103894 157108 207788 230051 314216 415576 460102 920204 1610357 1840408 3220714 6441428 12882856