Base | Representation |
---|---|
bin | 101111101110… |
… | …001010111011 |
3 | 212112120100000 |
4 | 233232022323 |
5 | 11200304013 |
6 | 1124044043 |
7 | 211221651 |
oct | 57561273 |
9 | 25476300 |
10 | 12509883 |
11 | 7074951 |
12 | 4233623 |
13 | 27900c9 |
14 | 1938dd1 |
15 | 1171973 |
hex | bee2bb |
12509883 has 12 divisors (see below), whose sum is σ = 18739448. Its totient is φ = 8339760.
The previous prime is 12509869. The next prime is 12509911. The reversal of 12509883 is 38890521.
It is not a de Polignac number, because 12509883 - 214 = 12493499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12509813) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25498 + ... + 25983.
Almost surely, 212509883 is an apocalyptic number.
12509883 is a deficient number, since it is larger than the sum of its proper divisors (6229565).
12509883 is an frugal number, since it uses more digits than its factorization.
12509883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51496 (or 51484 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 12509883 is about 3536.9312970427. The cubic root of 12509883 is about 232.1405893315.
The spelling of 12509883 in words is "twelve million, five hundred nine thousand, eight hundred eighty-three".
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