Base | Representation |
---|---|
bin | 101111101010… |
… | …110010001101 |
3 | 212111212022022 |
4 | 233222302031 |
5 | 11144333023 |
6 | 1123455525 |
7 | 211133345 |
oct | 57526215 |
9 | 25455268 |
10 | 12496013 |
11 | 7065492 |
12 | 42275a5 |
13 | 27869ba |
14 | 1933d25 |
15 | 116c7c8 |
hex | beac8d |
12496013 has 4 divisors (see below), whose sum is σ = 12926940. Its totient is φ = 12065088.
The previous prime is 12495991. The next prime is 12496027. The reversal of 12496013 is 31069421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31069421 = 17 ⋅1827613.
It can be written as a sum of positive squares in 2 ways, for example, as 6135529 + 6360484 = 2477^2 + 2522^2 .
It is a cyclic number.
It is not a de Polignac number, because 12496013 - 26 = 12495949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12496073) 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, 215420 + ... + 215477.
It is an arithmetic number, because the mean of its divisors is an integer number (3231735).
Almost surely, 212496013 is an apocalyptic number.
It is an amenable number.
12496013 is a deficient number, since it is larger than the sum of its proper divisors (430927).
12496013 is an equidigital number, since it uses as much as digits as its factorization.
12496013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430926.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 12496013 is about 3534.9700140171. The cubic root of 12496013 is about 232.0547643705.
The spelling of 12496013 in words is "twelve million, four hundred ninety-six thousand, thirteen".
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