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12108133 is a prime number
BaseRepresentation
bin101110001100…
…000101100101
3211210011020101
4232030011211
511044430013
61111304101
7204626452
oct56140545
924704211
1012108133
116920024
12407b031
13267c29b
141872829
1510e28dd
hexb8c165

12108133 has 2 divisors, whose sum is σ = 12108134. Its totient is φ = 12108132.

The previous prime is 12108113. The next prime is 12108137. The reversal of 12108133 is 33180121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6066369 + 6041764 = 2463^2 + 2458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12108133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12108133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12108137) by changing a digit.

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 as a sum of consecutive naturals, namely, 6054066 + 6054067.

It is an arithmetic number, because the mean of its divisors is an integer number (6054067).

Almost surely, 212108133 is an apocalyptic number.

It is an amenable number.

12108133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12108133 is an equidigital number, since it uses as much as digits as its factorization.

12108133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12108133 is about 3479.6742663646. The cubic root of 12108133 is about 229.6284675880.

Adding to 12108133 its reverse (33180121), we get a palindrome (45288254).

The spelling of 12108133 in words is "twelve million, one hundred eight thousand, one hundred thirty-three".