Base | Representation |
---|---|
bin | 101111010010… |
… | …000100111011 |
3 | 212022201111002 |
4 | 233102010323 |
5 | 11133113221 |
6 | 1121355215 |
7 | 210232322 |
oct | 57220473 |
9 | 25281432 |
10 | 12394811 |
11 | 6aa6450 |
12 | 4198b0b |
13 | 274c910 |
14 | 19090b9 |
15 | 114c80b |
hex | bd213b |
12394811 has 8 divisors (see below), whose sum is σ = 14561904. Its totient is φ = 10401120.
The previous prime is 12394807. The next prime is 12394813. The reversal of 12394811 is 11849321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12394811 - 22 = 12394807 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12394813) 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 7 ways as a sum of consecutive naturals, for example, 43196 + ... + 43481.
It is an arithmetic number, because the mean of its divisors is an integer number (1820238).
Almost surely, 212394811 is an apocalyptic number.
12394811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12394811 is a deficient number, since it is larger than the sum of its proper divisors (2167093).
12394811 is a wasteful number, since it uses less digits than its factorization.
12394811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86701.
The product of its digits is 1728, while the sum is 29.
The square root of 12394811 is about 3520.6265067456. The cubic root of 12394811 is about 231.4266149195.
Subtracting from 12394811 its reverse (11849321), we obtain a triangular number (545490 = T1044).
The spelling of 12394811 in words is "twelve million, three hundred ninety-four thousand, eight hundred eleven".
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