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12006072 = 233213101127
BaseRepresentation
bin101101110011…
…001010111000
3211120222020100
4231303022320
511033143242
61105155400
7204023061
oct55631270
924528210
1012006072
116860381
12402bb60
1326449b0
141847568
1510c254c
hexb732b8

12006072 has 96 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 3628800.

The previous prime is 12006061. The next prime is 12006077. The reversal of 12006072 is 27060021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006077) 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 23 ways as a sum of consecutive naturals, for example, 94473 + ... + 94599.

It is an arithmetic number, because the mean of its divisors is an integer number (371280).

Almost surely, 212006072 is an apocalyptic number.

12006072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12006072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17821440).

12006072 is an abundant number, since it is smaller than the sum of its proper divisors (23636808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12006072 is a wasteful number, since it uses less digits than its factorization.

12006072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12006072 is about 3464.9779220076. The cubic root of 12006072 is about 228.9814570265.

Adding to 12006072 its reverse (27060021), we get a palindrome (39066093).

The spelling of 12006072 in words is "twelve million, six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 101 104 117 127 156 202 234 254 303 312 381 404 468 508 606 762 808 909 936 1016 1143 1212 1313 1524 1651 1818 2286 2424 2626 3048 3302 3636 3939 4572 4953 5252 6604 7272 7878 9144 9906 10504 11817 12827 13208 14859 15756 19812 23634 25654 29718 31512 38481 39624 47268 51308 59436 76962 94536 102616 115443 118872 153924 166751 230886 307848 333502 461772 500253 667004 923544 1000506 1334008 1500759 2001012 3001518 4002024 6003036 12006072