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12708617 is a prime number
BaseRepresentation
bin110000011110…
…101100001001
3212220122221112
4300132230021
511223133432
61132220105
7213010235
oct60365411
925818845
1012708617
1171a0199
12430a635
13282c6bc
14198b5c5
1511b07b2
hexc1eb09

12708617 has 2 divisors, whose sum is σ = 12708618. Its totient is φ = 12708616.

The previous prime is 12708593. The next prime is 12708623. The reversal of 12708617 is 71680721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8231161 + 4477456 = 2869^2 + 2116^2 .

It is a cyclic number.

It is not a de Polignac number, because 12708617 - 220 = 11660041 is a prime.

It is a super-3 number, since 3×127086173 (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12708677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354308 + 6354309.

It is an arithmetic number, because the mean of its divisors is an integer number (6354309).

Almost surely, 212708617 is an apocalyptic number.

It is an amenable number.

12708617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12708617 is an equidigital number, since it uses as much as digits as its factorization.

12708617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 12708617 is about 3564.9147254878. The cubic root of 12708617 is about 233.3634108620.

The spelling of 12708617 in words is "twelve million, seven hundred eight thousand, six hundred seventeen".