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12652817 is a prime number
BaseRepresentation
bin110000010001…
…000100010001
3212210211101212
4300101010101
511214342232
61131105505
7212355452
oct60210421
925724355
1012652817
117162281
1242a2295
132810198
141975129
15119deb2
hexc11111

12652817 has 2 divisors, whose sum is σ = 12652818. Its totient is φ = 12652816.

The previous prime is 12652813. The next prime is 12652831. The reversal of 12652817 is 71825621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7639696 + 5013121 = 2764^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 12652817 - 22 = 12652813 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12652813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326408 + 6326409.

It is an arithmetic number, because the mean of its divisors is an integer number (6326409).

Almost surely, 212652817 is an apocalyptic number.

It is an amenable number.

12652817 is a deficient number, since it is larger than the sum of its proper divisors (1).

12652817 is an equidigital number, since it uses as much as digits as its factorization.

12652817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 12652817 is about 3557.0798416679. The cubic root of 12652817 is about 233.0213651686.

The spelling of 12652817 in words is "twelve million, six hundred fifty-two thousand, eight hundred seventeen".