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12828293 is a prime number
BaseRepresentation
bin110000111011…
…111010000101
3220010202002222
4300323322011
511241001133
61134542125
7214016162
oct60737205
926122088
1012828293
1172720a5
124367945
13287200a
1419bd069
1511d5e98
hexc3be85

12828293 has 2 divisors, whose sum is σ = 12828294. Its totient is φ = 12828292.

The previous prime is 12828271. The next prime is 12828317. The reversal of 12828293 is 39282821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 669124 = 3487^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 12828293 - 28 = 12828037 is a prime.

It is a super-3 number, since 3×128282933 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12828223) 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, 6414146 + 6414147.

It is an arithmetic number, because the mean of its divisors is an integer number (6414147).

Almost surely, 212828293 is an apocalyptic number.

It is an amenable number.

12828293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828293 is an equidigital number, since it uses as much as digits as its factorization.

12828293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 12828293 is about 3581.6606483585. The cubic root of 12828293 is about 234.0936447945.

The spelling of 12828293 in words is "twelve million, eight hundred twenty-eight thousand, two hundred ninety-three".