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12132851 is a prime number
BaseRepresentation
bin101110010010…
…000111110011
3211211102010212
4232102013303
511101222401
61112014335
7205061513
oct56220763
924742125
1012132851
116937655
1240913ab
13268a603
14187b843
1510e9dbb
hexb921f3

12132851 has 2 divisors, whose sum is σ = 12132852. Its totient is φ = 12132850.

The previous prime is 12132847. The next prime is 12132853. The reversal of 12132851 is 15823121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15823121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12132851 - 22 = 12132847 is a prime.

Together with 12132853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12132853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066425 + 6066426.

It is an arithmetic number, because the mean of its divisors is an integer number (6066426).

Almost surely, 212132851 is an apocalyptic number.

12132851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132851 is an equidigital number, since it uses as much as digits as its factorization.

12132851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 12132851 is about 3483.2242247665. The cubic root of 12132851 is about 229.7846187872.

Adding to 12132851 its reverse (15823121), we get a palindrome (27955972).

The spelling of 12132851 in words is "twelve million, one hundred thirty-two thousand, eight hundred fifty-one".