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12009027 = 37950671
BaseRepresentation
bin101101110011…
…111001000011
3211121010021210
4231303321003
511033242102
61105221203
7204034512
oct55637103
924533253
1012009027
116862618
124031803
132646144
141848679
1510c336c
hexb73e43

12009027 has 8 divisors (see below), whose sum is σ = 16215040. Its totient is φ = 7904520.

The previous prime is 12008999. The next prime is 12009031. The reversal of 12009027 is 72090021.

It is a happy number.

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

It is not a de Polignac number, because 12009027 - 26 = 12008963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12008994 and 12009012.

It is not an unprimeable number, because it can be changed into a prime (12009047) 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, 25099 + ... + 25572.

It is an arithmetic number, because the mean of its divisors is an integer number (2026880).

Almost surely, 212009027 is an apocalyptic number.

12009027 is a deficient number, since it is larger than the sum of its proper divisors (4206013).

12009027 is an equidigital number, since it uses as much as digits as its factorization.

12009027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50753.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12009027 is about 3465.4043054166. The cubic root of 12009027 is about 229.0002415410. Note that the first 3 decimals are identical.

Adding to 12009027 its reverse (72090021), we get a palindrome (84099048).

The spelling of 12009027 in words is "twelve million, nine thousand, twenty-seven".

Divisors: 1 3 79 237 50671 152013 4003009 12009027