Base | Representation |
---|---|
bin | 110001100010… |
… | …010110100011 |
3 | 220102202010012 |
4 | 301202112203 |
5 | 11311021023 |
6 | 1142155135 |
7 | 215243240 |
oct | 61422643 |
9 | 26382105 |
10 | 12985763 |
11 | 736a43a |
12 | 4422aab |
13 | 28c88ab |
14 | 1a205c7 |
15 | 1217978 |
hex | c625a3 |
12985763 has 4 divisors (see below), whose sum is σ = 14840880. Its totient is φ = 11130648.
The previous prime is 12985747. The next prime is 12985799. The reversal of 12985763 is 36758921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36758921 = 29 ⋅1267549.
It is a cyclic number.
It is not a de Polignac number, because 12985763 - 24 = 12985747 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12985763.
It is not an unprimeable number, because it can be changed into a prime (12985703) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927548 + ... + 927561.
It is an arithmetic number, because the mean of its divisors is an integer number (3710220).
Almost surely, 212985763 is an apocalyptic number.
12985763 is a deficient number, since it is larger than the sum of its proper divisors (1855117).
12985763 is an equidigital number, since it uses as much as digits as its factorization.
12985763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1855116.
The product of its digits is 90720, while the sum is 41.
The square root of 12985763 is about 3603.5764179493. The cubic root of 12985763 is about 235.0476016443.
The spelling of 12985763 in words is "twelve million, nine hundred eighty-five thousand, seven hundred sixty-three".
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