Base | Representation |
---|---|
bin | 110001011011… |
… | …010011111011 |
3 | 220101021120001 |
4 | 301123103323 |
5 | 11304110143 |
6 | 1141413431 |
7 | 215063200 |
oct | 61332373 |
9 | 26337501 |
10 | 12956923 |
11 | 734a801 |
12 | 440a277 |
13 | 28b8725 |
14 | 1a13ca7 |
15 | 120e14d |
hex | c5b4fb |
12956923 has 12 divisors (see below), whose sum is σ = 15143760. Its totient is φ = 11053392.
The previous prime is 12956903. The next prime is 12956927. The reversal of 12956923 is 32965921.
It is a de Polignac number, because none of the positive numbers 2k-12956923 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12956927) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12690 + ... + 13672.
It is an arithmetic number, because the mean of its divisors is an integer number (1261980).
Almost surely, 212956923 is an apocalyptic number.
12956923 is a deficient number, since it is larger than the sum of its proper divisors (2186837).
12956923 is an equidigital number, since it uses as much as digits as its factorization.
12956923 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1266 (or 1259 counting only the distinct ones).
The product of its digits is 29160, while the sum is 37.
The square root of 12956923 is about 3599.5726135196. The cubic root of 12956923 is about 234.8734674189.
The spelling of 12956923 in words is "twelve million, nine hundred fifty-six thousand, nine hundred twenty-three".
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