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12009769 = 174715031
BaseRepresentation
bin101101110100…
…000100101001
3211121011022021
4231310010221
511033303034
61105224441
7204036622
oct55640451
924534267
1012009769
116863132
124032121
132646595
141848a49
1510c36b4
hexb74129

12009769 has 8 divisors (see below), whose sum is σ = 12987648. Its totient is φ = 11062080.

The previous prime is 12009763. The next prime is 12009773. The reversal of 12009769 is 96790021.

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 12009769 - 25 = 12009737 is a prime.

It is a super-2 number, since 2×120097692 = 288469102866722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12009763) 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, 6717 + ... + 8314.

It is an arithmetic number, because the mean of its divisors is an integer number (1623456).

Almost surely, 212009769 is an apocalyptic number.

It is an amenable number.

12009769 is a deficient number, since it is larger than the sum of its proper divisors (977879).

12009769 is a wasteful number, since it uses less digits than its factorization.

12009769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15095.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 12009769 is about 3465.5113619782. The cubic root of 12009769 is about 229.0049578454.

The spelling of 12009769 in words is "twelve million, nine thousand, seven hundred sixty-nine".

Divisors: 1 17 47 799 15031 255527 706457 12009769