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12842201 is a prime number
BaseRepresentation
bin110000111111…
…010011011001
3220011110012002
4300333103121
511241422301
61135130345
7214104551
oct60772331
926143162
1012842201
117281599
1243739b5
132878448
1419c4161
1511da16b
hexc3f4d9

12842201 has 2 divisors, whose sum is σ = 12842202. Its totient is φ = 12842200.

The previous prime is 12842189. The next prime is 12842209. The reversal of 12842201 is 10224821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 1819801 = 3320^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 12842201 - 222 = 8647897 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12842209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421100 + 6421101.

It is an arithmetic number, because the mean of its divisors is an integer number (6421101).

Almost surely, 212842201 is an apocalyptic number.

It is an amenable number.

12842201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12842201 is an equidigital number, since it uses as much as digits as its factorization.

12842201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 12842201 is about 3583.6016798746. The cubic root of 12842201 is about 234.1782130354.

The spelling of 12842201 in words is "twelve million, eight hundred forty-two thousand, two hundred one".