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12885698 = 27920407
BaseRepresentation
bin110001001001…
…111011000010
3220020122212002
4301021323002
511244320243
61140104002
7214345430
oct61117302
926218762
1012885698
117301241
124395002
132892197
1419d5d50
1511e7eb8
hexc49ec2

12885698 has 8 divisors (see below), whose sum is σ = 22089792. Its totient is φ = 5522436.

The previous prime is 12885683. The next prime is 12885703. The reversal of 12885698 is 89658821.

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 460190 + ... + 460217.

It is an arithmetic number, because the mean of its divisors is an integer number (2761224).

Almost surely, 212885698 is an apocalyptic number.

12885698 is a deficient number, since it is larger than the sum of its proper divisors (9204094).

12885698 is an equidigital number, since it uses as much as digits as its factorization.

12885698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920416.

The product of its digits is 276480, while the sum is 47.

The square root of 12885698 is about 3589.6654440212. The cubic root of 12885698 is about 234.4423051265.

It can be divided in two parts, 128 and 85698, that multiplied together give a square (10969344 = 33122).

The spelling of 12885698 in words is "twelve million, eight hundred eighty-five thousand, six hundred ninety-eight".

Divisors: 1 2 7 14 920407 1840814 6442849 12885698