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12047027 = 28342569
BaseRepresentation
bin101101111101…
…001010110011
3211200001102012
4231331022303
511041001102
61110113135
7204253346
oct55751263
924601365
1012047027
116889123
12404b7ab
13265a525
14185845d
1510ce752
hexb7d2b3

12047027 has 4 divisors (see below), whose sum is σ = 12089880. Its totient is φ = 12004176.

The previous prime is 12046997. The next prime is 12047029. The reversal of 12047027 is 72074021.

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 12047027 - 210 = 12046003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12046993 and 12047011.

It is not an unprimeable number, because it can be changed into a prime (12047029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21002 + ... + 21567.

It is an arithmetic number, because the mean of its divisors is an integer number (3022470).

Almost surely, 212047027 is an apocalyptic number.

12047027 is a deficient number, since it is larger than the sum of its proper divisors (42853).

12047027 is an equidigital number, since it uses as much as digits as its factorization.

12047027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42852.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 12047027 is about 3470.8827407448. The cubic root of 12047027 is about 229.2415279980.

The spelling of 12047027 in words is "twelve million, forty-seven thousand, twenty-seven".

Divisors: 1 283 42569 12047027