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12303857 is a prime number
BaseRepresentation
bin101110111011…
…110111110001
3212011002201102
4232323313301
511122210412
61115414145
7206403206
oct56736761
925132642
1012303857
116a44085
124154355
13271a3b7
1418c3cad
1511308c2
hexbbbdf1

12303857 has 2 divisors, whose sum is σ = 12303858. Its totient is φ = 12303856.

The previous prime is 12303847. The next prime is 12303871. The reversal of 12303857 is 75830321.

12303857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 3297856 = 3001^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303857 - 26 = 12303793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12303817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151928 + 6151929.

It is an arithmetic number, because the mean of its divisors is an integer number (6151929).

Almost surely, 212303857 is an apocalyptic number.

It is an amenable number.

12303857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303857 is an equidigital number, since it uses as much as digits as its factorization.

12303857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12303857 is about 3507.6854191903. The cubic root of 12303857 is about 230.8591496567.

The spelling of 12303857 in words is "twelve million, three hundred three thousand, eight hundred fifty-seven".