Base | Representation |
---|---|
bin | 110001010010… |
… | …001000001011 |
3 | 220022100221212 |
4 | 301102020023 |
5 | 11301404212 |
6 | 1140523335 |
7 | 214545422 |
oct | 61221013 |
9 | 26270855 |
10 | 12919307 |
11 | 7324515 |
12 | 43b054b |
13 | 28a457b |
14 | 1a042b9 |
15 | 1202e22 |
hex | c5220b |
12919307 has 8 divisors (see below), whose sum is σ = 13795584. Its totient is φ = 12069288.
The previous prime is 12919301. The next prime is 12919339. The reversal of 12919307 is 70391921.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12919307 - 26 = 12919243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12919301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5543 + ... + 7520.
It is an arithmetic number, because the mean of its divisors is an integer number (1724448).
Almost surely, 212919307 is an apocalyptic number.
12919307 is a deficient number, since it is larger than the sum of its proper divisors (876277).
12919307 is a wasteful number, since it uses less digits than its factorization.
12919307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13129.
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 12919307 is about 3594.3437509509. The cubic root of 12919307 is about 234.6459554814.
The spelling of 12919307 in words is "twelve million, nine hundred nineteen thousand, three hundred seven".
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