Base | Representation |
---|---|
bin | 110000100010… |
… | …000010010101 |
3 | 212221100202020 |
4 | 300202002111 |
5 | 11224103300 |
6 | 1132403353 |
7 | 213065220 |
oct | 60420225 |
9 | 25840666 |
10 | 12722325 |
11 | 71aa520 |
12 | 4316559 |
13 | 2835a05 |
14 | 19925b7 |
15 | 11b48a0 |
hex | c22095 |
12722325 has 48 divisors (see below), whose sum is σ = 26236416. Its totient is φ = 5284800.
The previous prime is 12722321. The next prime is 12722351. The reversal of 12722325 is 52322721.
It is a happy number.
It is not a de Polignac number, because 12722325 - 22 = 12722321 is a prime.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12722295 and 12722304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12722321) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4674 + ... + 6876.
It is an arithmetic number, because the mean of its divisors is an integer number (546592).
Almost surely, 212722325 is an apocalyptic number.
12722325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12722325 is an abundant number, since it is smaller than the sum of its proper divisors (13514091).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12722325 is a wasteful number, since it uses less digits than its factorization.
12722325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2234 (or 2229 counting only the distinct ones).
The product of its digits is 1680, while the sum is 24.
The square root of 12722325 is about 3566.8368339469. The cubic root of 12722325 is about 233.4472856103.
The spelling of 12722325 in words is "twelve million, seven hundred twenty-two thousand, three hundred twenty-five".
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