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12080659 = 17710627
BaseRepresentation
bin101110000101…
…011000010011
3211201202112211
4232011120103
511043040114
61110532551
7204453403
oct56053023
924652484
1012080659
116901418
124067157
13266c926
141866803
1510d96c4
hexb85613

12080659 has 4 divisors (see below), whose sum is σ = 12791304. Its totient is φ = 11370016.

The previous prime is 12080657. The next prime is 12080699. The reversal of 12080659 is 95608021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12080659 - 21 = 12080657 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12080659.

It is not an unprimeable number, because it can be changed into a prime (12080657) 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 3 ways as a sum of consecutive naturals, for example, 355297 + ... + 355330.

It is an arithmetic number, because the mean of its divisors is an integer number (3197826).

Almost surely, 212080659 is an apocalyptic number.

12080659 is a deficient number, since it is larger than the sum of its proper divisors (710645).

12080659 is an equidigital number, since it uses as much as digits as its factorization.

12080659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710644.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 12080659 is about 3475.7242410755. The cubic root of 12080659 is about 229.4546563098.

The spelling of 12080659 in words is "twelve million, eighty thousand, six hundred fifty-nine".

Divisors: 1 17 710627 12080659