Base | Representation |
---|---|
bin | 110000001011… |
… | …101110011101 |
3 | 212202201101122 |
4 | 300023232131 |
5 | 11213142231 |
6 | 1130420325 |
7 | 212234621 |
oct | 60135635 |
9 | 25681348 |
10 | 12630941 |
11 | 71478a4 |
12 | 42916a5 |
13 | 280323b |
14 | 196b181 |
15 | 119777b |
hex | c0bb9d |
12630941 has 2 divisors, whose sum is σ = 12630942. Its totient is φ = 12630940.
The previous prime is 12630913. The next prime is 12630967. The reversal of 12630941 is 14903621.
It is an a-pointer prime, because the next prime (12630967) can be obtained adding 12630941 to its sum of digits (26).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12630916 + 25 = 3554^2 + 5^2 .
It is an emirp because it is prime and its reverse (14903621) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12630941 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12630941.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12630641) 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 as a sum of consecutive naturals, namely, 6315470 + 6315471.
It is an arithmetic number, because the mean of its divisors is an integer number (6315471).
Almost surely, 212630941 is an apocalyptic number.
It is an amenable number.
12630941 is a deficient number, since it is larger than the sum of its proper divisors (1).
12630941 is an equidigital number, since it uses as much as digits as its factorization.
12630941 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 12630941 is about 3554.0035171620. The cubic root of 12630941 is about 232.8869941424.
The spelling of 12630941 in words is "twelve million, six hundred thirty thousand, nine hundred forty-one".
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