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12390083 is a prime number
BaseRepresentation
bin101111010000…
…111011000011
3212022110222222
4233100323003
511132440313
61121321255
7210212456
oct57207303
925273888
1012390083
116aa2942
12419622b
13274a714
14190749d
15114b208
hexbd0ec3

12390083 has 2 divisors, whose sum is σ = 12390084. Its totient is φ = 12390082.

The previous prime is 12390041. The next prime is 12390107. The reversal of 12390083 is 38009321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12390083 - 26 = 12390019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12390013) 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, 6195041 + 6195042.

It is an arithmetic number, because the mean of its divisors is an integer number (6195042).

Almost surely, 212390083 is an apocalyptic number.

12390083 is a deficient number, since it is larger than the sum of its proper divisors (1).

12390083 is an equidigital number, since it uses as much as digits as its factorization.

12390083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12390083 is about 3519.9549713029. The cubic root of 12390083 is about 231.3971852872.

The spelling of 12390083 in words is "twelve million, three hundred ninety thousand, eighty-three".