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12030197 is a prime number
BaseRepresentation
bin101101111001…
…000011110101
3211122012022212
4231321003311
511034431242
61105503205
7204153314
oct55710365
924565285
1012030197
116877513
124041b05
13265297a
14185227b
1510c9782
hexb790f5

12030197 has 2 divisors, whose sum is σ = 12030198. Its totient is φ = 12030196.

The previous prime is 12030149. The next prime is 12030209. The reversal of 12030197 is 79103021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6105841 + 5924356 = 2471^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030197 - 212 = 12026101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12035197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015098 + 6015099.

It is an arithmetic number, because the mean of its divisors is an integer number (6015099).

Almost surely, 212030197 is an apocalyptic number.

It is an amenable number.

12030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030197 is an equidigital number, since it uses as much as digits as its factorization.

12030197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12030197 is about 3468.4574381128. The cubic root of 12030197 is about 229.1347261857.

The spelling of 12030197 in words is "twelve million, thirty thousand, one hundred ninety-seven".