Base | Representation |
---|---|
bin | 110000001010… |
… | …001011100101 |
3 | 212202101201021 |
4 | 300022023211 |
5 | 11212441423 |
6 | 1130331141 |
7 | 212210311 |
oct | 60121345 |
9 | 25671637 |
10 | 12624613 |
11 | 7143071 |
12 | 4289ab1 |
13 | 28003b1 |
14 | 1968b41 |
15 | 119595d |
hex | c0a2e5 |
12624613 has 2 divisors, whose sum is σ = 12624614. Its totient is φ = 12624612.
The previous prime is 12624593. The next prime is 12624617. The reversal of 12624613 is 31642621.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12510369 + 114244 = 3537^2 + 338^2 .
It is an emirp because it is prime and its reverse (31642621) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12624613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12624617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312306 + 6312307.
It is an arithmetic number, because the mean of its divisors is an integer number (6312307).
Almost surely, 212624613 is an apocalyptic number.
It is an amenable number.
12624613 is a deficient number, since it is larger than the sum of its proper divisors (1).
12624613 is an equidigital number, since it uses as much as digits as its factorization.
12624613 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 25.
The square root of 12624613 is about 3553.1131420207. The cubic root of 12624613 is about 232.8480961412.
The spelling of 12624613 in words is "twelve million, six hundred twenty-four thousand, six hundred thirteen".
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