Base | Representation |
---|---|
bin | 110001001110… |
… | …001011010111 |
3 | 220021112202121 |
4 | 301032023113 |
5 | 11300400002 |
6 | 1140320411 |
7 | 214450306 |
oct | 61161327 |
9 | 26245677 |
10 | 12903127 |
11 | 7313346 |
12 | 43a3107 |
13 | 289a0b3 |
14 | 19dc43d |
15 | 11ed237 |
hex | c4e2d7 |
12903127 has 4 divisors (see below), whose sum is σ = 12916456. Its totient is φ = 12889800.
The previous prime is 12903103. The next prime is 12903133. The reversal of 12903127 is 72130921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72130921 = 23 ⋅3136127.
It is a cyclic number.
It is not a de Polignac number, because 12903127 - 215 = 12870359 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12903167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088 + ... + 7189.
It is an arithmetic number, because the mean of its divisors is an integer number (3229114).
Almost surely, 212903127 is an apocalyptic number.
12903127 is a deficient number, since it is larger than the sum of its proper divisors (13329).
12903127 is a wasteful number, since it uses less digits than its factorization.
12903127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13328.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 12903127 is about 3592.0922872332. The cubic root of 12903127 is about 234.5479585431.
The spelling of 12903127 in words is "twelve million, nine hundred three thousand, one hundred twenty-seven".
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