Base | Representation |
---|---|
bin | 110001100011… |
… | …111110100001 |
3 | 220110002020122 |
4 | 301203332201 |
5 | 11311224132 |
6 | 1142250025 |
7 | 215301524 |
oct | 61437641 |
9 | 26402218 |
10 | 12992417 |
11 | 7374439 |
12 | 4426915 |
13 | 28cb929 |
14 | 1a22bbb |
15 | 1219912 |
hex | c63fa1 |
12992417 has 2 divisors, whose sum is σ = 12992418. Its totient is φ = 12992416.
The previous prime is 12992411. The next prime is 12992423. The reversal of 12992417 is 71429921.
It is a balanced prime because it is at equal distance from previous prime (12992411) and next prime (12992423).
It can be written as a sum of positive squares in only one way, i.e., 9461776 + 3530641 = 3076^2 + 1879^2 .
It is a cyclic number.
It is not a de Polignac number, because 12992417 - 210 = 12991393 is a prime.
It is equal to p848771 and since 12992417 and 848771 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (12992411) 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, 6496208 + 6496209.
It is an arithmetic number, because the mean of its divisors is an integer number (6496209).
Almost surely, 212992417 is an apocalyptic number.
It is an amenable number.
12992417 is a deficient number, since it is larger than the sum of its proper divisors (1).
12992417 is an equidigital number, since it uses as much as digits as its factorization.
12992417 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9072, while the sum is 35.
The square root of 12992417 is about 3604.4995491746. The cubic root of 12992417 is about 235.0877414929.
The spelling of 12992417 in words is "twelve million, nine hundred ninety-two thousand, four hundred seventeen".
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