Base | Representation |
---|---|
bin | 101111100101… |
… | …000100111101 |
3 | 212110200020112 |
4 | 233211010331 |
5 | 11143111022 |
6 | 1123155405 |
7 | 211005242 |
oct | 57450475 |
9 | 25420215 |
10 | 12472637 |
11 | 7049971 |
12 | 4215b65 |
13 | 2779178 |
14 | 19295c9 |
15 | 11658e2 |
hex | be513d |
12472637 has 2 divisors, whose sum is σ = 12472638. Its totient is φ = 12472636.
The previous prime is 12472631. The next prime is 12472643. The reversal of 12472637 is 73627421.
12472637 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a balanced prime because it is at equal distance from previous prime (12472631) and next prime (12472643).
It can be written as a sum of positive squares in only one way, i.e., 9947716 + 2524921 = 3154^2 + 1589^2 .
It is a cyclic number.
It is not a de Polignac number, because 12472637 - 26 = 12472573 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12472631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6236318 + 6236319.
It is an arithmetic number, because the mean of its divisors is an integer number (6236319).
Almost surely, 212472637 is an apocalyptic number.
It is an amenable number.
12472637 is a deficient number, since it is larger than the sum of its proper divisors (1).
12472637 is an equidigital number, since it uses as much as digits as its factorization.
12472637 is an evil number, because the sum of its binary digits is even.
The product of its digits is 14112, while the sum is 32.
The square root of 12472637 is about 3531.6620733020. The cubic root of 12472637 is about 231.9099742364.
The spelling of 12472637 in words is "twelve million, four hundred seventy-two thousand, six hundred thirty-seven".
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