Base | Representation |
---|---|
bin | 110000011110… |
… | …110000100100 |
3 | 212220200100000 |
4 | 300132300210 |
5 | 11223141100 |
6 | 1132221300 |
7 | 213011121 |
oct | 60366044 |
9 | 25820300 |
10 | 12708900 |
11 | 71a0426 |
12 | 430a830 |
13 | 282c879 |
14 | 198b748 |
15 | 11b0900 |
hex | c1ec24 |
12708900 has 108 divisors (see below), whose sum is σ = 41389712. Its totient is φ = 3382560.
The previous prime is 12708889. The next prime is 12708919. The reversal of 12708900 is 980721.
It is a tau number, because it is divible by the number of its divisors (108).
It is a super-2 number, since 2×127089002 = 323032278420000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24039 + ... + 24561.
Almost surely, 212708900 is an apocalyptic number.
12708900 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 12708900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20694856).
12708900 is an abundant number, since it is smaller than the sum of its proper divisors (28680812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12708900 is a wasteful number, since it uses less digits than its factorization.
12708900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552 (or 533 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 12708900 is about 3564.9544176609. The cubic root of 12708900 is about 233.3651430556.
The spelling of 12708900 in words is "twelve million, seven hundred eight thousand, nine hundred".
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