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12875361 = 34399809
BaseRepresentation
bin110001000111…
…011001100001
3220020010200020
4301013121201
511244002421
61135544053
7214303332
oct61073141
926203606
1012875361
1172a44a4
12438b029
13288a575
1419d2289
1511e4dc6
hexc47661

12875361 has 8 divisors (see below), whose sum is σ = 17566560. Its totient is φ = 8383872.

The previous prime is 12875339. The next prime is 12875381. The reversal of 12875361 is 16357821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12875361 - 217 = 12744289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12875381) 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 in 7 ways as a sum of consecutive naturals, for example, 49776 + ... + 50033.

It is an arithmetic number, because the mean of its divisors is an integer number (2195820).

Almost surely, 212875361 is an apocalyptic number.

It is an amenable number.

12875361 is a deficient number, since it is larger than the sum of its proper divisors (4691199).

12875361 is an equidigital number, since it uses as much as digits as its factorization.

12875361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99855.

The product of its digits is 10080, while the sum is 33.

The square root of 12875361 is about 3588.2253273729. The cubic root of 12875361 is about 234.3795979187.

The spelling of 12875361 in words is "twelve million, eight hundred seventy-five thousand, three hundred sixty-one".

Divisors: 1 3 43 129 99809 299427 4291787 12875361