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12080197 is a prime number
BaseRepresentation
bin101110000101…
…010001000101
3211201201220201
4232011101011
511043031242
61110530501
7204452143
oct56052105
924651821
1012080197
116901038
124066a31
13266c65c
141866593
1510d94b7
hexb85445

12080197 has 2 divisors, whose sum is σ = 12080198. Its totient is φ = 12080196.

The previous prime is 12080171. The next prime is 12080207. The reversal of 12080197 is 79108021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9523396 + 2556801 = 3086^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12080197 - 215 = 12047429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12080597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040098 + 6040099.

It is an arithmetic number, because the mean of its divisors is an integer number (6040099).

Almost surely, 212080197 is an apocalyptic number.

It is an amenable number.

12080197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12080197 is an equidigital number, since it uses as much as digits as its factorization.

12080197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 12080197 is about 3475.6577794714. The cubic root of 12080197 is about 229.4517312651.

The spelling of 12080197 in words is "twelve million, eighty thousand, one hundred ninety-seven".