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12086887 is a prime number
BaseRepresentation
bin101110000110…
…111001100111
3211202002002111
4232012321213
511043240022
61111021451
7204510511
oct56067147
924662074
1012086887
11690606a
12406a887
132672707
141868bb1
1510db477
hexb86e67

12086887 has 2 divisors, whose sum is σ = 12086888. Its totient is φ = 12086886.

The previous prime is 12086863. The next prime is 12086903. The reversal of 12086887 is 78868021.

12086887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12086887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12086857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043443 + 6043444.

It is an arithmetic number, because the mean of its divisors is an integer number (6043444).

Almost surely, 212086887 is an apocalyptic number.

12086887 is a deficient number, since it is larger than the sum of its proper divisors (1).

12086887 is an equidigital number, since it uses as much as digits as its factorization.

12086887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 12086887 is about 3476.6200540180. The cubic root of 12086887 is about 229.4940801551.

The spelling of 12086887 in words is "twelve million, eighty-six thousand, eight hundred eighty-seven".