Base | Representation |
---|---|
bin | 110001111001… |
… | …011101010111 |
3 | 220121112221112 |
4 | 301321131113 |
5 | 11322033112 |
6 | 1144205235 |
7 | 216116204 |
oct | 61713527 |
9 | 26545845 |
10 | 13080407 |
11 | 742455a |
12 | 446981b |
13 | 292c9b2 |
14 | 1a46cab |
15 | 1235a22 |
hex | c79757 |
13080407 has 2 divisors, whose sum is σ = 13080408. Its totient is φ = 13080406.
The previous prime is 13080383. The next prime is 13080433. The reversal of 13080407 is 70408031.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (70408031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13080407 - 212 = 13076311 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 (13080437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6540203 + 6540204.
It is an arithmetic number, because the mean of its divisors is an integer number (6540204).
Almost surely, 213080407 is an apocalyptic number.
13080407 is a deficient number, since it is larger than the sum of its proper divisors (1).
13080407 is an equidigital number, since it uses as much as digits as its factorization.
13080407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 13080407 is about 3616.6845314459. The cubic root of 13080407 is about 235.6172516079.
Adding to 13080407 its reverse (70408031), we get a palindrome (83488438).
The spelling of 13080407 in words is "thirteen million, eighty thousand, four hundred seven".
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