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12571201 is a prime number
BaseRepresentation
bin101111111101…
…001001000001
3212122200110001
4233331021001
511204234301
61125240001
7211565506
oct57751101
925580401
1012571201
117106a25
124263001
1327b1ca6
1419534ad
151184c01
hexbfd241

12571201 has 2 divisors, whose sum is σ = 12571202. Its totient is φ = 12571200.

The previous prime is 12571199. The next prime is 12571241. The reversal of 12571201 is 10217521.

12571201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 39601 = 3540^2 + 199^2 .

It is an emirp because it is prime and its reverse (10217521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12571201 - 21 = 12571199 is a prime.

Together with 12571199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12571241) 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, 6285600 + 6285601.

It is an arithmetic number, because the mean of its divisors is an integer number (6285601).

Almost surely, 212571201 is an apocalyptic number.

It is an amenable number.

12571201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12571201 is an equidigital number, since it uses as much as digits as its factorization.

12571201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12571201 is about 3545.5889496669. The cubic root of 12571201 is about 232.5192553521.

Adding to 12571201 its reverse (10217521), we get a palindrome (22788722).

The spelling of 12571201 in words is "twelve million, five hundred seventy-one thousand, two hundred one".