Base | Representation |
---|---|
bin | 101111010001… |
… | …101000000101 |
3 | 212022121221201 |
4 | 233101220011 |
5 | 11133033330 |
6 | 1121342501 |
7 | 210224044 |
oct | 57215005 |
9 | 25277851 |
10 | 12392965 |
11 | 6aa5022 |
12 | 4197a31 |
13 | 274bb20 |
14 | 190855b |
15 | 114beca |
hex | bd1a05 |
12392965 has 16 divisors (see below), whose sum is σ = 16451568. Its totient is φ = 8902656.
The previous prime is 12392953. The next prime is 12392981. The reversal of 12392965 is 56929321.
It can be written as a sum of positive squares in 8 ways, for example, as 9604 + 12383361 = 98^2 + 3519^2 .
It is a cyclic number.
It is not a de Polignac number, because 12392965 - 213 = 12384773 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 172 + ... + 4981.
It is an arithmetic number, because the mean of its divisors is an integer number (1028223).
Almost surely, 212392965 is an apocalyptic number.
It is an amenable number.
12392965 is a deficient number, since it is larger than the sum of its proper divisors (4058603).
12392965 is a wasteful number, since it uses less digits than its factorization.
12392965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5208.
The product of its digits is 29160, while the sum is 37.
The square root of 12392965 is about 3520.3643277365. The cubic root of 12392965 is about 231.4151253066.
The spelling of 12392965 in words is "twelve million, three hundred ninety-two thousand, nine hundred sixty-five".
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