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12323897 is a prime number
BaseRepresentation
bin101111000000…
…110000111001
3212012010012122
4233000300321
511123331042
61120051025
7206515505
oct57006071
925163178
1012323897
116a58143
124163a75
132726561
1418cb305
1511367d2
hexbc0c39

12323897 has 2 divisors, whose sum is σ = 12323898. Its totient is φ = 12323896.

The previous prime is 12323887. The next prime is 12323911. The reversal of 12323897 is 79832321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12313081 + 10816 = 3509^2 + 104^2 .

It is an emirp because it is prime and its reverse (79832321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12323897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12323807) 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, 6161948 + 6161949.

It is an arithmetic number, because the mean of its divisors is an integer number (6161949).

Almost surely, 212323897 is an apocalyptic number.

It is an amenable number.

12323897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323897 is an equidigital number, since it uses as much as digits as its factorization.

12323897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 12323897 is about 3510.5408415229. The cubic root of 12323897 is about 230.9844195310.

The spelling of 12323897 in words is "twelve million, three hundred twenty-three thousand, eight hundred ninety-seven".