Search a number
-
+
12084287 = 1672692
BaseRepresentation
bin101110000110…
…010000111111
3211201221112012
4232012100333
511043144122
61111001435
7204500105
oct56062077
924657465
1012084287
116904116
12406927b
132671487
141867c75
1510da7e2
hexb8643f

12084287 has 6 divisors (see below), whose sum is σ = 12202008. Its totient is φ = 11967272.

The previous prime is 12084277. The next prime is 12084301. The reversal of 12084287 is 78248021.

It is not a de Polignac number, because 12084287 - 28 = 12084031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12084227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44789 + ... + 45057.

It is an arithmetic number, because the mean of its divisors is an integer number (2033668).

Almost surely, 212084287 is an apocalyptic number.

12084287 is a deficient number, since it is larger than the sum of its proper divisors (117721).

12084287 is an frugal number, since it uses more digits than its factorization.

12084287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 12084287 is about 3476.2461075131. The cubic root of 12084287 is about 229.4776235495.

The spelling of 12084287 in words is "twelve million, eighty-four thousand, two hundred eighty-seven".

Divisors: 1 167 269 44923 72361 12084287