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12065197 is a prime number
BaseRepresentation
bin101110000001…
…100110101101
3211200222100011
4232001212231
511042041242
61110333221
7204360334
oct56014655
924628304
1012065197
1168a0841
12405a211
132665891
141860d1b
1510d4d17
hexb819ad

12065197 has 2 divisors, whose sum is σ = 12065198. Its totient is φ = 12065196.

The previous prime is 12065173. The next prime is 12065203. The reversal of 12065197 is 79156021.

12065197 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10074276 + 1990921 = 3174^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 12065197 - 215 = 12032429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12065147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032598 + 6032599.

It is an arithmetic number, because the mean of its divisors is an integer number (6032599).

Almost surely, 212065197 is an apocalyptic number.

It is an amenable number.

12065197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12065197 is an equidigital number, since it uses as much as digits as its factorization.

12065197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 12065197 is about 3473.4992442780. The cubic root of 12065197 is about 229.3567217354.

The spelling of 12065197 in words is "twelve million, sixty-five thousand, one hundred ninety-seven".