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12306193 is a prime number
BaseRepresentation
bin101110111100…
…011100010001
3212011012220221
4232330130101
511122244233
61115433041
7206413054
oct56743421
925135827
1012306193
116a45909
124155781
13271b493
1418c4a9b
15113142d
hexbbc711

12306193 has 2 divisors, whose sum is σ = 12306194. Its totient is φ = 12306192.

The previous prime is 12306187. The next prime is 12306197. The reversal of 12306193 is 39160321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9443329 + 2862864 = 3073^2 + 1692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12306193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12306197) 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, 6153096 + 6153097.

It is an arithmetic number, because the mean of its divisors is an integer number (6153097).

Almost surely, 212306193 is an apocalyptic number.

It is an amenable number.

12306193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12306193 is an equidigital number, since it uses as much as digits as its factorization.

12306193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12306193 is about 3508.0183864969. The cubic root of 12306193 is about 230.8737589739.

The spelling of 12306193 in words is "twelve million, three hundred six thousand, one hundred ninety-three".