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12565297 is a prime number
BaseRepresentation
bin101111111011…
…101100110001
3212122101100101
4233323230301
511204042142
61125152401
7211542343
oct57735461
925571311
1012565297
117102548
12425b701
1327ac3b4
141951293
1511830b7
hexbfbb31

12565297 has 2 divisors, whose sum is σ = 12565298. Its totient is φ = 12565296.

The previous prime is 12565277. The next prime is 12565307. The reversal of 12565297 is 79256521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 62001 = 3536^2 + 249^2 .

It is an emirp because it is prime and its reverse (79256521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12565297 - 27 = 12565169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12565277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282648 + 6282649.

It is an arithmetic number, because the mean of its divisors is an integer number (6282649).

Almost surely, 212565297 is an apocalyptic number.

It is an amenable number.

12565297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12565297 is an equidigital number, since it uses as much as digits as its factorization.

12565297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 12565297 is about 3544.7562680670. The cubic root of 12565297 is about 232.4828491607.

The spelling of 12565297 in words is "twelve million, five hundred sixty-five thousand, two hundred ninety-seven".