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12957097 is a prime number
BaseRepresentation
bin110001011011…
…010110101001
3220101021210111
4301123112221
511304111342
61141414321
7215063536
oct61332651
926337714
1012957097
11734a94a
12440a3a1
1328b882a
141a13d8d
15120e217
hexc5b5a9

12957097 has 2 divisors, whose sum is σ = 12957098. Its totient is φ = 12957096.

The previous prime is 12957083. The next prime is 12957121. The reversal of 12957097 is 79075921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 76176 = 3589^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 12957097 - 219 = 12432809 is a prime.

It is not a weakly prime, because it can be changed into another prime (12957037) 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, 6478548 + 6478549.

It is an arithmetic number, because the mean of its divisors is an integer number (6478549).

Almost surely, 212957097 is an apocalyptic number.

It is an amenable number.

12957097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12957097 is an equidigital number, since it uses as much as digits as its factorization.

12957097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 12957097 is about 3599.5967829744. The cubic root of 12957097 is about 234.8745187951.

The spelling of 12957097 in words is "twelve million, nine hundred fifty-seven thousand, ninety-seven".