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12704747 = 111916047
BaseRepresentation
bin110000011101…
…101111101011
3212220110122012
4300131233223
511223022442
61132150135
7212663036
oct60355753
925813565
1012704747
1171982a0
12430834b
13282aa03
14198a01d
1511ae582
hexc1dbeb

12704747 has 8 divisors (see below), whose sum is σ = 13934592. Its totient is φ = 11487400.

The previous prime is 12704743. The next prime is 12704759. The reversal of 12704747 is 74740721.

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

It is a cyclic number.

It is not a de Polignac number, because 12704747 - 22 = 12704743 is a prime.

It is a super-2 number, since 2×127047472 = 322821192668018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12704743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1741824).

Almost surely, 212704747 is an apocalyptic number.

12704747 is a deficient number, since it is larger than the sum of its proper divisors (1229845).

12704747 is a wasteful number, since it uses less digits than its factorization.

12704747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 12704747 is about 3564.3718941771. The cubic root of 12704747 is about 233.3397206868.

The spelling of 12704747 in words is "twelve million, seven hundred four thousand, seven hundred forty-seven".

Divisors: 1 11 191 2101 6047 66517 1154977 12704747