Base | Representation |
---|---|
bin | 110001100111… |
… | …100011101111 |
3 | 220110211100222 |
4 | 301213203233 |
5 | 11312211322 |
6 | 1142441555 |
7 | 215362352 |
oct | 61474357 |
9 | 26424328 |
10 | 13007087 |
11 | 7384465 |
12 | 44332bb |
13 | 2905502 |
14 | 1a28299 |
15 | 121de42 |
hex | c678ef |
13007087 has 2 divisors, whose sum is σ = 13007088. Its totient is φ = 13007086.
The previous prime is 13007069. The next prime is 13007119. The reversal of 13007087 is 78070031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13007087 - 28 = 13006831 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13007987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6503543 + 6503544.
It is an arithmetic number, because the mean of its divisors is an integer number (6503544).
Almost surely, 213007087 is an apocalyptic number.
13007087 is a deficient number, since it is larger than the sum of its proper divisors (1).
13007087 is an equidigital number, since it uses as much as digits as its factorization.
13007087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1176, while the sum is 26.
The square root of 13007087 is about 3606.5339316302. The cubic root of 13007087 is about 235.1761889816.
The spelling of 13007087 in words is "thirteen million, seven thousand, eighty-seven".
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