Base | Representation |
---|---|
bin | 110000011111… |
… | …100110110011 |
3 | 212220212002120 |
4 | 300133212303 |
5 | 11223243441 |
6 | 1132245323 |
7 | 213024210 |
oct | 60374663 |
9 | 25825076 |
10 | 12712371 |
11 | 71a2aa1 |
12 | 4310843 |
13 | 2831319 |
14 | 198cb07 |
15 | 11b1966 |
hex | c1f9b3 |
12712371 has 16 divisors (see below), whose sum is σ = 19523328. Its totient is φ = 7207200.
The previous prime is 12712351. The next prime is 12712373. The reversal of 12712371 is 17321721.
It is not a de Polignac number, because 12712371 - 29 = 12711859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12712373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441 + ... + 5061.
It is an arithmetic number, because the mean of its divisors is an integer number (1220208).
Almost surely, 212712371 is an apocalyptic number.
12712371 is a deficient number, since it is larger than the sum of its proper divisors (6810957).
12712371 is a wasteful number, since it uses less digits than its factorization.
12712371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4762.
The product of its digits is 588, while the sum is 24.
The square root of 12712371 is about 3565.4412069196. The cubic root of 12712371 is about 233.3863863491.
The spelling of 12712371 in words is "twelve million, seven hundred twelve thousand, three hundred seventy-one".
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