Base | Representation |
---|---|
bin | 110001100001… |
… | …011001111100 |
3 | 220102112210112 |
4 | 301201121330 |
5 | 11310410014 |
6 | 1142125152 |
7 | 215226026 |
oct | 61413174 |
9 | 26375715 |
10 | 12981884 |
11 | 7367533 |
12 | 44207b8 |
13 | 28c6bb6 |
14 | 1a1d016 |
15 | 121673e |
hex | c6167c |
12981884 has 6 divisors (see below), whose sum is σ = 22718304. Its totient is φ = 6490940.
The previous prime is 12981869. The next prime is 12981893. The reversal of 12981884 is 48818921.
12981884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622732 + ... + 1622739.
It is an arithmetic number, because the mean of its divisors is an integer number (3786384).
Almost surely, 212981884 is an apocalyptic number.
It is an amenable number.
12981884 is a deficient number, since it is larger than the sum of its proper divisors (9736420).
12981884 is a wasteful number, since it uses less digits than its factorization.
12981884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3245475 (or 3245473 counting only the distinct ones).
The product of its digits is 36864, while the sum is 41.
The square root of 12981884 is about 3603.0381624401. The cubic root of 12981884 is about 235.0241954867.
The spelling of 12981884 in words is "twelve million, nine hundred eighty-one thousand, eight hundred eighty-four".
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