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12706768 = 24794173
BaseRepresentation
bin110000011110…
…001111010000
3212220120102001
4300132033100
511223104033
61132203344
7213001654
oct60361720
925816361
1012706768
117199868
124309554
13282b8c9
14198aa64
1511aee7d
hexc1e3d0

12706768 has 10 divisors (see below), whose sum is σ = 24619394. Its totient is φ = 6353376.

The previous prime is 12706723. The next prime is 12706777. The reversal of 12706768 is 86760721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 1065024 = 3412^2 + 1032^2 .

It is a super-2 number, since 2×127067682 = 322923906011648, which contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 397071 + ... + 397102.

Almost surely, 212706768 is an apocalyptic number.

It is an amenable number.

12706768 is a deficient number, since it is larger than the sum of its proper divisors (11912626).

12706768 is an equidigital number, since it uses as much as digits as its factorization.

12706768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794181 (or 794175 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 12706768 is about 3564.6553830630. The cubic root of 12706768 is about 233.3520928228.

The spelling of 12706768 in words is "twelve million, seven hundred six thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 794173 1588346 3176692 6353384 12706768