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12884461 is a prime number
BaseRepresentation
bin110001001001…
…100111101101
3220020121011021
4301021213231
511244300321
61140054141
7214342012
oct61114755
926217137
1012884461
117300317
124394351
132891755
1419d5709
1511e7941
hexc499ed

12884461 has 2 divisors, whose sum is σ = 12884462. Its totient is φ = 12884460.

The previous prime is 12884449. The next prime is 12884471. The reversal of 12884461 is 16448821.

12884461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 281961 = 3550^2 + 531^2 .

It is an emirp because it is prime and its reverse (16448821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12884461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12884411) 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, 6442230 + 6442231.

It is an arithmetic number, because the mean of its divisors is an integer number (6442231).

Almost surely, 212884461 is an apocalyptic number.

It is an amenable number.

12884461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12884461 is an equidigital number, since it uses as much as digits as its factorization.

12884461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 34.

The square root of 12884461 is about 3589.4931397065. The cubic root of 12884461 is about 234.4348028965.

The spelling of 12884461 in words is "twelve million, eight hundred eighty-four thousand, four hundred sixty-one".