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12118087 is a prime number
BaseRepresentation
bin101110001110…
…100001000111
3211210122220001
4232032201013
511100234322
61111422131
7205000462
oct56164107
924718801
1012118087
116927553
124084947
132683987
1418762d9
1510e5827
hexb8e847

12118087 has 2 divisors, whose sum is σ = 12118088. Its totient is φ = 12118086.

The previous prime is 12118063. The next prime is 12118103. The reversal of 12118087 is 78081121.

12118087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78081121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12118087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059043 + 6059044.

It is an arithmetic number, because the mean of its divisors is an integer number (6059044).

Almost surely, 212118087 is an apocalyptic number.

12118087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118087 is an equidigital number, since it uses as much as digits as its factorization.

12118087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 12118087 is about 3481.1042788173. The cubic root of 12118087 is about 229.6913755991.

The spelling of 12118087 in words is "twelve million, one hundred eighteen thousand, eighty-seven".