Base | Representation |
---|---|
bin | 110001010101… |
… | …110111110001 |
3 | 220100010222210 |
4 | 301111313301 |
5 | 11302402031 |
6 | 1141122333 |
7 | 214641216 |
oct | 61256761 |
9 | 26303883 |
10 | 12934641 |
11 | 7334a95 |
12 | 43b93a9 |
13 | 28ab545 |
14 | 1a09b0d |
15 | 1207746 |
hex | c55df1 |
12934641 has 4 divisors (see below), whose sum is σ = 17246192. Its totient is φ = 8623092.
The previous prime is 12934633. The next prime is 12934643. The reversal of 12934641 is 14643921.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14643921 = 3 ⋅4881307.
It is not a de Polignac number, because 12934641 - 23 = 12934633 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12934599 and 12934608.
It is not an unprimeable number, because it can be changed into a prime (12934643) 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, 2155771 + ... + 2155776.
It is an arithmetic number, because the mean of its divisors is an integer number (4311548).
Almost surely, 212934641 is an apocalyptic number.
It is an amenable number.
12934641 is a deficient number, since it is larger than the sum of its proper divisors (4311551).
12934641 is an equidigital number, since it uses as much as digits as its factorization.
12934641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4311550.
The product of its digits is 5184, while the sum is 30.
The square root of 12934641 is about 3596.4761920524. The cubic root of 12934641 is about 234.7387529898.
The spelling of 12934641 in words is "twelve million, nine hundred thirty-four thousand, six hundred forty-one".
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