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12828000 = 253531069
BaseRepresentation
bin110000111011…
…110101100000
3220010201201010
4300323311200
511240444000
61134540520
7214015263
oct60736540
926121633
1012828000
117271959
124367740
132871b43
1419bccda
1511d5d50
hexc3bd60

12828000 has 96 divisors (see below), whose sum is σ = 42063840. Its totient is φ = 3417600.

The previous prime is 12827993. The next prime is 12828001. The reversal of 12828000 is 82821.

Added to its reverse (82821) it gives a triangular number (12910821 = T5081).

12828000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11466 + ... + 12534.

It is an arithmetic number, because the mean of its divisors is an integer number (438165).

Almost surely, 212828000 is an apocalyptic number.

12828000 is a gapful number since it is divisible by the number (10) 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 12828000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21031920).

12828000 is an abundant number, since it is smaller than the sum of its proper divisors (29235840).

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

12828000 is a wasteful number, since it uses less digits than its factorization.

12828000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 12828000 is about 3581.6197453108. The cubic root of 12828000 is about 234.0918625371.

Adding to 12828000 its reverse (82821), we get a triangular number (12910821 = T5081).

The spelling of 12828000 in words is "twelve million, eight hundred twenty-eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1069 1200 1500 2000 2138 2400 3000 3207 4000 4276 5345 6000 6414 8552 10690 12000 12828 16035 17104 21380 25656 26725 32070 34208 42760 51312 53450 64140 80175 85520 102624 106900 128280 133625 160350 171040 213800 256560 267250 320700 400875 427600 513120 534500 641400 801750 855200 1069000 1282800 1603500 2138000 2565600 3207000 4276000 6414000 12828000