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12828787 is a prime number
BaseRepresentation
bin110000111100…
…000001110011
3220010202210021
4300330001303
511241010122
61134544311
7214020466
oct60740163
926122707
1012828787
117272504
124368097
1328722ca
1419bd2dd
1511d61c7
hexc3c073

12828787 has 2 divisors, whose sum is σ = 12828788. Its totient is φ = 12828786.

The previous prime is 12828769. The next prime is 12828793. The reversal of 12828787 is 78782821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12828787 - 219 = 12304499 is a prime.

It is a super-3 number, since 3×128287873 (a number of 22 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (12828707) 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, 6414393 + 6414394.

It is an arithmetic number, because the mean of its divisors is an integer number (6414394).

Almost surely, 212828787 is an apocalyptic number.

12828787 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828787 is an equidigital number, since it uses as much as digits as its factorization.

12828787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100352, while the sum is 43.

The square root of 12828787 is about 3581.7296101186. The cubic root of 12828787 is about 234.0966496311.

The spelling of 12828787 in words is "twelve million, eight hundred twenty-eight thousand, seven hundred eighty-seven".