Base | Representation |
---|---|
bin | 110001010110… |
… | …111111000001 |
3 | 220100101020200 |
4 | 301112333001 |
5 | 11303023301 |
6 | 1141155413 |
7 | 214660422 |
oct | 61267701 |
9 | 26311220 |
10 | 12939201 |
11 | 7338460 |
12 | 43bbb69 |
13 | 28b0642 |
14 | 1a0b649 |
15 | 1208c86 |
hex | c56fc1 |
12939201 has 12 divisors (see below), whose sum is σ = 20389200. Its totient is φ = 7841880.
The previous prime is 12939197. The next prime is 12939203. The reversal of 12939201 is 10293921.
It is not a de Polignac number, because 12939201 - 22 = 12939197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12939203) 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 11 ways as a sum of consecutive naturals, for example, 65251 + ... + 65448.
It is an arithmetic number, because the mean of its divisors is an integer number (1699100).
Almost surely, 212939201 is an apocalyptic number.
12939201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12939201 is a deficient number, since it is larger than the sum of its proper divisors (7449999).
12939201 is a wasteful number, since it uses less digits than its factorization.
12939201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130716 (or 130713 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 12939201 is about 3597.1100900584. The cubic root of 12939201 is about 234.7663348131.
It can be divided in two parts, 1293920 and 1, that added together give a palindrome (1293921).
The spelling of 12939201 in words is "twelve million, nine hundred thirty-nine thousand, two hundred one".
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