Base | Representation |
---|---|
bin | 110001010111… |
… | …011001111111 |
3 | 220100110121121 |
4 | 301113121333 |
5 | 11303102202 |
6 | 1141211411 |
7 | 214665436 |
oct | 61273177 |
9 | 26313547 |
10 | 12940927 |
11 | 733978a |
12 | 4400b67 |
13 | 28b136c |
14 | 1a0c11d |
15 | 1209537 |
hex | c5767f |
12940927 has 12 divisors (see below), whose sum is σ = 14333760. Its totient is φ = 11642048.
The previous prime is 12940909. The next prime is 12940937. The reversal of 12940927 is 72904921.
It is a happy number.
It is not a de Polignac number, because 12940927 - 211 = 12938879 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12940892 and 12940901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12940937) 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, 8274 + ... + 9712.
It is an arithmetic number, because the mean of its divisors is an integer number (1194480).
Almost surely, 212940927 is an apocalyptic number.
12940927 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12940927 is a deficient number, since it is larger than the sum of its proper divisors (1392833).
12940927 is a wasteful number, since it uses less digits than its factorization.
12940927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1502 (or 1479 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 12940927 is about 3597.3499968727. The cubic root of 12940927 is about 234.7767730846.
The spelling of 12940927 in words is "twelve million, nine hundred forty thousand, nine hundred twenty-seven".
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