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12084809 = 114312549
BaseRepresentation
bin101110000110…
…011001001001
3211201222020112
4232012121021
511043203214
61111004105
7204501452
oct56063111
924658215
1012084809
116904550
124069635
132671799
141868129
1510daa3e
hexb86649

12084809 has 8 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 10956400.

The previous prime is 12084797. The next prime is 12084811. The reversal of 12084809 is 90848021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12084809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12084859) 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 7 ways as a sum of consecutive naturals, for example, 3467 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (1652400).

Almost surely, 212084809 is an apocalyptic number.

It is an amenable number.

12084809 is a deficient number, since it is larger than the sum of its proper divisors (1134391).

12084809 is a wasteful number, since it uses less digits than its factorization.

12084809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12084809 is about 3476.3211876925. The cubic root of 12084809 is about 229.4809277189.

The spelling of 12084809 in words is "twelve million, eighty-four thousand, eight hundred nine".

Divisors: 1 11 431 2549 4741 28039 1098619 12084809