Base | Representation |
---|---|
bin | 110001100101… |
… | …010110000000 |
3 | 220110100221000 |
4 | 301211112000 |
5 | 11311414031 |
6 | 1142332000 |
7 | 215324043 |
oct | 61452600 |
9 | 26410830 |
10 | 12998016 |
11 | 7378669 |
12 | 442a000 |
13 | 2901345 |
14 | 1a24c5a |
15 | 121b3e6 |
hex | c65580 |
12998016 has 64 divisors (see below), whose sum is σ = 38372400. Its totient is φ = 4331520.
The previous prime is 12997987. The next prime is 12998053. The reversal of 12998016 is 61089921.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 1576 + ... + 5336.
Almost surely, 212998016 is an apocalyptic number.
12998016 is a gapful number since it is divisible by the number (16) 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 12998016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19186200).
12998016 is an abundant number, since it is smaller than the sum of its proper divisors (25374384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12998016 is an equidigital number, since it uses as much as digits as its factorization.
12998016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3784 (or 3766 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 36.
The square root of 12998016 is about 3605.2761336685. The cubic root of 12998016 is about 235.1215065019.
The spelling of 12998016 in words is "twelve million, nine hundred ninety-eight thousand, sixteen".
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