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12027141 = 327292227
BaseRepresentation
bin101101111000…
…010100000101
3211122001010200
4231320110011
511034332031
61105441113
7204141360
oct55702405
924561120
1012027141
116875195
124040199
132651469
1418510d7
1510c88e6
hexb78505

12027141 has 36 divisors (see below), whose sum is σ = 20653152. Its totient is φ = 6606432.

The previous prime is 12027139. The next prime is 12027149. The reversal of 12027141 is 14172021.

It is not a de Polignac number, because 12027141 - 21 = 12027139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027149) 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 35 ways as a sum of consecutive naturals, for example, 52870 + ... + 53096.

Almost surely, 212027141 is an apocalyptic number.

It is an amenable number.

12027141 is a deficient number, since it is larger than the sum of its proper divisors (8626011).

12027141 is a wasteful number, since it uses less digits than its factorization.

12027141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12027141 is about 3468.0168684711. The cubic root of 12027141 is about 229.1153223742.

Adding to 12027141 its reverse (14172021), we get a palindrome (26199162).

It can be divided in two parts, 120 and 27141, that added together give a triangular number (27261 = T233).

The spelling of 12027141 in words is "twelve million, twenty-seven thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 29 63 87 203 227 261 609 681 841 1589 1827 2043 2523 4767 5887 6583 7569 14301 17661 19749 46081 52983 59247 138243 190907 414729 572721 1336349 1718163 4009047 12027141