Base | Representation |
---|---|
bin | 110000010101… |
… | …011111010011 |
3 | 212211202020202 |
4 | 300111133103 |
5 | 11220432211 |
6 | 1131325415 |
7 | 212462330 |
oct | 60253723 |
9 | 25752222 |
10 | 12670931 |
11 | 7174949 |
12 | 42b086b |
13 | 28184c0 |
14 | 197b987 |
15 | 11a453b |
hex | c157d3 |
12670931 has 8 divisors (see below), whose sum is σ = 15595104. Its totient is φ = 10025280.
The previous prime is 12670919. The next prime is 12670951. The reversal of 12670931 is 13907621.
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 12670931 - 218 = 12408787 is a prime.
It is a super-2 number, since 2×126709312 = 321104984813522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12670894 and 12670903.
It is not an unprimeable number, because it can be changed into a prime (12670901) 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, 69530 + ... + 69711.
It is an arithmetic number, because the mean of its divisors is an integer number (1949388).
Almost surely, 212670931 is an apocalyptic number.
12670931 is a deficient number, since it is larger than the sum of its proper divisors (2924173).
12670931 is a wasteful number, since it uses less digits than its factorization.
12670931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139261.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 12670931 is about 3559.6251207114. The cubic root of 12670931 is about 233.1325113360.
The spelling of 12670931 in words is "twelve million, six hundred seventy thousand, nine hundred thirty-one".
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