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12884849 is a prime number
BaseRepresentation
bin110001001001…
…101101110001
3220020121200122
4301021231301
511244303344
61140100025
7214343105
oct61115561
926217618
1012884849
11730063a
124394615
132891993
1419d5905
1511e7aee
hexc49b71

12884849 has 2 divisors, whose sum is σ = 12884850. Its totient is φ = 12884848.

The previous prime is 12884819. The next prime is 12884857. The reversal of 12884849 is 94848821.

It is a happy number.

12884849 is digitally balanced in base 2, 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., 10195249 + 2689600 = 3193^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 12884849 - 28 = 12884593 is a prime.

It is not a weakly prime, because it can be changed into another prime (12884819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442424 + 6442425.

It is an arithmetic number, because the mean of its divisors is an integer number (6442425).

Almost surely, 212884849 is an apocalyptic number.

It is an amenable number.

12884849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12884849 is an equidigital number, since it uses as much as digits as its factorization.

12884849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 44.

The square root of 12884849 is about 3589.5471859275. The cubic root of 12884849 is about 234.4371561133.

The spelling of 12884849 in words is "twelve million, eight hundred eighty-four thousand, eight hundred forty-nine".