Base | Representation |
---|---|
bin | 110000001100… |
… | …101010110001 |
3 | 212202220200121 |
4 | 300030222301 |
5 | 11213303201 |
6 | 1130450241 |
7 | 212252104 |
oct | 60145261 |
9 | 25686617 |
10 | 12634801 |
11 | 714a793 |
12 | 4293981 |
13 | 2804c1a |
14 | 196c73b |
15 | 11989a1 |
hex | c0cab1 |
12634801 has 4 divisors (see below), whose sum is σ = 12680692. Its totient is φ = 12588912.
The previous prime is 12634799. The next prime is 12634861. The reversal of 12634801 is 10843621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10843621 = 857 ⋅12653.
It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 11553201 = 1040^2 + 3399^2 .
It is a cyclic number.
It is not a de Polignac number, because 12634801 - 21 = 12634799 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12634861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22530 + ... + 23083.
It is an arithmetic number, because the mean of its divisors is an integer number (3170173).
Almost surely, 212634801 is an apocalyptic number.
It is an amenable number.
12634801 is a deficient number, since it is larger than the sum of its proper divisors (45891).
12634801 is an equidigital number, since it uses as much as digits as its factorization.
12634801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45890.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 12634801 is about 3554.5465252265. The cubic root of 12634801 is about 232.9107150523.
The spelling of 12634801 in words is "twelve million, six hundred thirty-four thousand, eight hundred one".
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