Base | Representation |
---|---|
bin | 110001011110… |
… | …111010011100 |
3 | 220102000210110 |
4 | 301132322130 |
5 | 11310043201 |
6 | 1142010020 |
7 | 215154204 |
oct | 61367234 |
9 | 26360713 |
10 | 12971676 |
11 | 735a8a3 |
12 | 4416910 |
13 | 28c2363 |
14 | 1a19404 |
15 | 12136d6 |
hex | c5ee9c |
12971676 has 12 divisors (see below), whose sum is σ = 30267272. Its totient is φ = 4323888.
The previous prime is 12971657. The next prime is 12971677. The reversal of 12971676 is 67617921.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12971677) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540475 + ... + 540498.
Almost surely, 212971676 is an apocalyptic number.
It is an amenable number.
12971676 is an abundant number, since it is smaller than the sum of its proper divisors (17295596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12971676 is a wasteful number, since it uses less digits than its factorization.
12971676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1080980 (or 1080978 counting only the distinct ones).
The product of its digits is 31752, while the sum is 39.
The square root of 12971676 is about 3601.6213015807. The cubic root of 12971676 is about 234.9625774120.
The spelling of 12971676 in words is "twelve million, nine hundred seventy-one thousand, six hundred seventy-six".
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