Base | Representation |
---|---|
bin | 110001011010… |
… | …010001001001 |
3 | 220101001200202 |
4 | 301122101021 |
5 | 11303441044 |
6 | 1141341545 |
7 | 215044553 |
oct | 61322111 |
9 | 26331622 |
10 | 12952649 |
11 | 7347576 |
12 | 44078b5 |
13 | 28b67b8 |
14 | 1a124d3 |
15 | 120cc4e |
hex | c5a449 |
12952649 has 2 divisors, whose sum is σ = 12952650. Its totient is φ = 12952648.
The previous prime is 12952633. The next prime is 12952669. The reversal of 12952649 is 94625921.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10936249 + 2016400 = 3307^2 + 1420^2 .
It is a cyclic number.
It is not a de Polignac number, because 12952649 - 24 = 12952633 is a prime.
It is a super-2 number, since 2×129526492 = 335542232234402, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12952669) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6476324 + 6476325.
It is an arithmetic number, because the mean of its divisors is an integer number (6476325).
Almost surely, 212952649 is an apocalyptic number.
It is an amenable number.
12952649 is a deficient number, since it is larger than the sum of its proper divisors (1).
12952649 is an equidigital number, since it uses as much as digits as its factorization.
12952649 is an evil number, because the sum of its binary digits is even.
The product of its digits is 38880, while the sum is 38.
The square root of 12952649 is about 3598.9788829611. The cubic root of 12952649 is about 234.8476392806.
The spelling of 12952649 in words is "twelve million, nine hundred fifty-two thousand, six hundred forty-nine".
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