Base | Representation |
---|---|
bin | 110010000100… |
… | …111011101111 |
3 | 220200221102021 |
4 | 302010323233 |
5 | 11330034112 |
6 | 1145211011 |
7 | 216403216 |
oct | 62047357 |
9 | 26627367 |
10 | 13127407 |
11 | 74568a7 |
12 | 4490a67 |
13 | 29481c7 |
14 | 1a5a07d |
15 | 1244907 |
hex | c84eef |
13127407 has 2 divisors, whose sum is σ = 13127408. Its totient is φ = 13127406.
The previous prime is 13127393. The next prime is 13127431. The reversal of 13127407 is 70472131.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (70472131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13127407 - 215 = 13094639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13127437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563703 + 6563704.
It is an arithmetic number, because the mean of its divisors is an integer number (6563704).
Almost surely, 213127407 is an apocalyptic number.
13127407 is a deficient number, since it is larger than the sum of its proper divisors (1).
13127407 is an equidigital number, since it uses as much as digits as its factorization.
13127407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1176, while the sum is 25.
The square root of 13127407 is about 3623.1763688786. The cubic root of 13127407 is about 235.8991178035.
Adding to 13127407 its reverse (70472131), we get a palindrome (83599538).
The spelling of 13127407 in words is "thirteen million, one hundred twenty-seven thousand, four hundred seven".
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