Base | Representation |
---|---|
bin | 110000100110… |
… | …010100101100 |
3 | 212222020211120 |
4 | 300212110230 |
5 | 11230134014 |
6 | 1133020540 |
7 | 213200343 |
oct | 60462454 |
9 | 25866746 |
10 | 12739884 |
11 | 7211733 |
12 | 4324750 |
13 | 28409c1 |
14 | 1998b5a |
15 | 11b9ba9 |
hex | c2652c |
12739884 has 48 divisors (see below), whose sum is σ = 32040960. Its totient is φ = 3928320.
The previous prime is 12739879. The next prime is 12739897. The reversal of 12739884 is 48893721.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7812 + ... + 9300.
It is an arithmetic number, because the mean of its divisors is an integer number (667520).
Almost surely, 212739884 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 12739884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16020480).
12739884 is an abundant number, since it is smaller than the sum of its proper divisors (19301076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12739884 is a wasteful number, since it uses less digits than its factorization.
12739884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 12739884 is about 3569.2974098553. The cubic root of 12739884 is about 233.5546353940.
The spelling of 12739884 in words is "twelve million, seven hundred thirty-nine thousand, eight hundred eighty-four".
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