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12106559 is a prime number
BaseRepresentation
bin101110001011…
…101100111111
3211210002002002
4232023230333
511044402214
61111252515
7204622043
oct56135477
924702062
1012106559
116919923
12407a13b
13267b65a
141872023
1510e21de
hexb8bb3f

12106559 has 2 divisors, whose sum is σ = 12106560. Its totient is φ = 12106558.

The previous prime is 12106537. The next prime is 12106561. The reversal of 12106559 is 95560121.

It is a strong prime.

It is an emirp because it is prime and its reverse (95560121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12106559 is a prime.

It is a super-3 number, since 3×121065593 (a number of 22 digits) contains 333 as substring.

Together with 12106561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12106459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053279 + 6053280.

It is an arithmetic number, because the mean of its divisors is an integer number (6053280).

Almost surely, 212106559 is an apocalyptic number.

12106559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12106559 is an equidigital number, since it uses as much as digits as its factorization.

12106559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 12106559 is about 3479.4480884186. The cubic root of 12106559 is about 229.6185169520.

The spelling of 12106559 in words is "twelve million, one hundred six thousand, five hundred fifty-nine".