Base | Representation |
---|---|
bin | 110000011010… |
… | …010101101111 |
3 | 212212202111121 |
4 | 300122111233 |
5 | 11222101144 |
6 | 1132001411 |
7 | 212604262 |
oct | 60322557 |
9 | 25782447 |
10 | 12690799 |
11 | 7188870 |
12 | 4300267 |
13 | 2824564 |
14 | 1984cd9 |
15 | 11aa384 |
hex | c1a56f |
12690799 has 8 divisors (see below), whose sum is σ = 14139648. Its totient is φ = 11291160.
The previous prime is 12690791. The next prime is 12690817. The reversal of 12690799 is 99709621.
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 12690799 - 23 = 12690791 is a prime.
It is a super-2 number, since 2×126907992 = 322112758516802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12690791) 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 in 7 ways as a sum of consecutive naturals, for example, 11757 + ... + 12790.
It is an arithmetic number, because the mean of its divisors is an integer number (1767456).
Almost surely, 212690799 is an apocalyptic number.
12690799 is a deficient number, since it is larger than the sum of its proper divisors (1448849).
12690799 is a wasteful number, since it uses less digits than its factorization.
12690799 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24605.
The product of its (nonzero) digits is 61236, while the sum is 43.
The square root of 12690799 is about 3562.4147709103. The cubic root of 12690799 is about 233.2542981754.
The spelling of 12690799 in words is "twelve million, six hundred ninety thousand, seven hundred ninety-nine".
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