Base | Representation |
---|---|
bin | 101111110111… |
… | …011110000000 |
3 | 212121111120120 |
4 | 233313132000 |
5 | 11203013333 |
6 | 1124540240 |
7 | 211440666 |
oct | 57673600 |
9 | 25544516 |
10 | 12547968 |
11 | 70a0524 |
12 | 4251680 |
13 | 27a4544 |
14 | 1948c36 |
15 | 117cdb3 |
hex | bf7780 |
12547968 has 64 divisors (see below), whose sum is σ = 34186320. Its totient is φ = 4075520.
The previous prime is 12547957. The next prime is 12547991. The reversal of 12547968 is 86974521.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15346 + ... + 16142.
Almost surely, 212547968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12547968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17093160).
12547968 is an abundant number, since it is smaller than the sum of its proper divisors (21638352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12547968 is an equidigital number, since it uses as much as digits as its factorization.
12547968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855 (or 843 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 12547968 is about 3542.3111099958. The cubic root of 12547968 is about 232.3759264002.
The spelling of 12547968 in words is "twelve million, five hundred forty-seven thousand, nine hundred sixty-eight".
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