Base | Representation |
---|---|
bin | 101111101010… |
… | …010000111100 |
3 | 212111202101110 |
4 | 233222100330 |
5 | 11144301014 |
6 | 1123442020 |
7 | 211124214 |
oct | 57522074 |
9 | 25452343 |
10 | 12493884 |
11 | 7063927 |
12 | 4226310 |
13 | 2785a40 |
14 | 1933244 |
15 | 116bd59 |
hex | bea43c |
12493884 has 36 divisors (see below), whose sum is σ = 31506216. Its totient is φ = 3830688.
The previous prime is 12493847. The next prime is 12493919. The reversal of 12493884 is 48839421.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44007 + ... + 44289.
Almost surely, 212493884 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 12493884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15753108).
12493884 is an abundant number, since it is smaller than the sum of its proper divisors (19012332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12493884 is a wasteful number, since it uses less digits than its factorization.
12493884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586 (or 301 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The square root of 12493884 is about 3534.6688670935. The cubic root of 12493884 is about 232.0415848960.
Multiplying 12493884 by its sum of digits (39), we get a square (487261476 = 220742).
12493884 divided by its sum of digits (39) gives a square (320356 = 5662).
The spelling of 12493884 in words is "twelve million, four hundred ninety-three thousand, eight hundred eighty-four".
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