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12768618 = 232128103
BaseRepresentation
bin110000101101…
…010101101010
3220000201020210
4300231111222
511232043433
61133401550
7213350202
oct60552552
926021223
1012768618
117231285
1243392b6
132850ac5
1419a5402
1511c3463
hexc2d56a

12768618 has 8 divisors (see below), whose sum is σ = 25537248. Its totient is φ = 4256204.

The previous prime is 12768583. The next prime is 12768619. The reversal of 12768618 is 81686721.

12768618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12768618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12768619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064046 + ... + 1064057.

It is an arithmetic number, because the mean of its divisors is an integer number (3192156).

Almost surely, 212768618 is an apocalyptic number.

12768618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12768618 is a wasteful number, since it uses less digits than its factorization.

12768618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128108.

The product of its digits is 32256, while the sum is 39.

The square root of 12768618 is about 3573.3203047026. The cubic root of 12768618 is about 233.7300927693.

The spelling of 12768618 in words is "twelve million, seven hundred sixty-eight thousand, six hundred eighteen".

Divisors: 1 2 3 6 2128103 4256206 6384309 12768618