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12888853 is a prime number
BaseRepresentation
bin110001001010…
…101100010101
3220020211011221
4301022230111
511244420403
61140130341
7214360555
oct61125425
926224157
1012888853
11730364a
1243969b1
132893753
1419d7165
1511e8dbd
hexc4ab15

12888853 has 2 divisors, whose sum is σ = 12888854. Its totient is φ = 12888852.

The previous prime is 12888851. The next prime is 12888917. The reversal of 12888853 is 35888821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7969329 + 4919524 = 2823^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 12888853 - 21 = 12888851 is a prime.

It is a super-2 number, since 2×128888532 = 332245063311218, which contains 22 as substring.

Together with 12888851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12888851) 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, 6444426 + 6444427.

It is an arithmetic number, because the mean of its divisors is an integer number (6444427).

Almost surely, 212888853 is an apocalyptic number.

It is an amenable number.

12888853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12888853 is an equidigital number, since it uses as much as digits as its factorization.

12888853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 43.

The square root of 12888853 is about 3590.1048731200. The cubic root of 12888853 is about 234.4614375816.

The spelling of 12888853 in words is "twelve million, eight hundred eighty-eight thousand, eight hundred fifty-three".