Base | Representation |
---|---|
bin | 101110111100… |
… | …010100001001 |
3 | 212011012012200 |
4 | 232330110021 |
5 | 11122240143 |
6 | 1115430413 |
7 | 206411412 |
oct | 56742411 |
9 | 25135180 |
10 | 12305673 |
11 | 6a45486 |
12 | 4155409 |
13 | 271b183 |
14 | 18c4809 |
15 | 11311d3 |
hex | bbc509 |
12305673 has 12 divisors (see below), whose sum is σ = 18710640. Its totient is φ = 7771896.
The previous prime is 12305669. The next prime is 12305677. The reversal of 12305673 is 37650321.
It is a happy number.
12305673 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12305669) and next prime (12305677).
It is not a de Polignac number, because 12305673 - 22 = 12305669 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12305677) 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, 35811 + ... + 36152.
It is an arithmetic number, because the mean of its divisors is an integer number (1559220).
Almost surely, 212305673 is an apocalyptic number.
It is an amenable number.
12305673 is a deficient number, since it is larger than the sum of its proper divisors (6404967).
12305673 is a wasteful number, since it uses less digits than its factorization.
12305673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71988 (or 71985 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 27.
The square root of 12305673 is about 3507.9442697968. The cubic root of 12305673 is about 230.8705070598.
Adding to 12305673 its reverse (37650321), we get a palindrome (49955994).
It can be divided in two parts, 1230 and 5673, that added together give a triangular number (6903 = T117).
The spelling of 12305673 in words is "twelve million, three hundred five thousand, six hundred seventy-three".
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