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12132823 is a prime number
BaseRepresentation
bin101110010010…
…000111010111
3211211102002211
4232102013113
511101222243
61112014251
7205061443
oct56220727
924742084
1012132823
11693762a
124091387
13268a5b1
14187b823
1510e9d9d
hexb921d7

12132823 has 2 divisors, whose sum is σ = 12132824. Its totient is φ = 12132822.

The previous prime is 12132821. The next prime is 12132847. The reversal of 12132823 is 32823121.

It is a weak prime.

It is an emirp because it is prime and its reverse (32823121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12132823 - 21 = 12132821 is a prime.

Together with 12132821, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12132794 and 12132803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12132821) 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, 6066411 + 6066412.

It is an arithmetic number, because the mean of its divisors is an integer number (6066412).

Almost surely, 212132823 is an apocalyptic number.

12132823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132823 is an equidigital number, since it uses as much as digits as its factorization.

12132823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 12132823 is about 3483.2202054995. The cubic root of 12132823 is about 229.7844420227.

Adding to 12132823 its reverse (32823121), we get a palindrome (44955944).

The spelling of 12132823 in words is "twelve million, one hundred thirty-two thousand, eight hundred twenty-three".