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12006828 = 22321723853
BaseRepresentation
bin101101110011…
…010110101100
3211121000021100
4231303112230
511033204303
61105203100
7204025221
oct55632654
924530240
1012006828
1168609a9
124030490
132645142
141847948
1510c28a3
hexb735ac

12006828 has 72 divisors (see below), whose sum is σ = 33572448. Its totient is φ = 3598848.

The previous prime is 12006781. The next prime is 12006829. The reversal of 12006828 is 82860021.

It is not an unprimeable number, because it can be changed into a prime (12006829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13650 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (466284).

Almost surely, 212006828 is an apocalyptic number.

12006828 is a gapful number since it is divisible by the number (18) 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 12006828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16786224).

12006828 is an abundant number, since it is smaller than the sum of its proper divisors (21565620).

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

12006828 is a wasteful number, since it uses less digits than its factorization.

12006828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12006828 is about 3465.0870118945. The cubic root of 12006828 is about 228.9862631043.

Adding to 12006828 its reverse (82860021), we get a palindrome (94866849).

The spelling of 12006828 in words is "twelve million, six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 23 34 36 46 51 68 69 92 102 138 153 204 207 276 306 391 414 612 782 828 853 1173 1564 1706 2346 2559 3412 3519 4692 5118 7038 7677 10236 14076 14501 15354 19619 29002 30708 39238 43503 58004 58857 78476 87006 117714 130509 174012 176571 235428 261018 333523 353142 522036 667046 706284 1000569 1334092 2001138 3001707 4002276 6003414 12006828