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12887882 = 27318787
BaseRepresentation
bin110001001010…
…011101001010
3220020202211222
4301022131022
511244403012
61140122042
7214355000
oct61123512
926222758
1012887882
117302947
124396322
132893187
1419d6a70
1511e8972
hexc4a74a

12887882 has 16 divisors (see below), whose sum is σ = 22545600. Its totient is φ = 5523084.

The previous prime is 12887873. The next prime is 12887893. The reversal of 12887882 is 28878821.

It is a super-3 number, since 3×128878823 (a number of 22 digits) contains 333 as substring.

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, 8708 + ... + 10079.

It is an arithmetic number, because the mean of its divisors is an integer number (1409100).

Almost surely, 212887882 is an apocalyptic number.

12887882 is a deficient number, since it is larger than the sum of its proper divisors (9657718).

12887882 is an equidigital number, since it uses as much as digits as its factorization.

12887882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810 (or 18796 counting only the distinct ones).

The product of its digits is 114688, while the sum is 44.

The square root of 12887882 is about 3589.9696377546. The cubic root of 12887882 is about 234.4555496055.

The spelling of 12887882 in words is "twelve million, eight hundred eighty-seven thousand, eight hundred eighty-two".

Divisors: 1 2 7 14 49 98 343 686 18787 37574 131509 263018 920563 1841126 6443941 12887882