Base | Representation |
---|---|
bin | 110010011101… |
… | …011011001101 |
3 | 220220001000202 |
4 | 302131123031 |
5 | 11341241400 |
6 | 1151303245 |
7 | 220301540 |
oct | 62353315 |
9 | 26801022 |
10 | 13227725 |
11 | 7515205 |
12 | 451ab25 |
13 | 2981a74 |
14 | 1a84857 |
15 | 12644d5 |
hex | c9d6cd |
13227725 has 24 divisors (see below), whose sum is σ = 18921408. Its totient is φ = 8985600.
The previous prime is 13227719. The next prime is 13227749. The reversal of 13227725 is 52772231.
It is not a de Polignac number, because 13227725 - 212 = 13223629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22637 + ... + 23213.
It is an arithmetic number, because the mean of its divisors is an integer number (788392).
Almost surely, 213227725 is an apocalyptic number.
It is an amenable number.
13227725 is a deficient number, since it is larger than the sum of its proper divisors (5693683).
13227725 is a wasteful number, since it uses less digits than its factorization.
13227725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725 (or 720 counting only the distinct ones).
The product of its digits is 5880, while the sum is 29.
The square root of 13227725 is about 3636.9939510535. The cubic root of 13227725 is about 236.4984974286.
Adding to 13227725 its reverse (52772231), we get a palindrome (65999956).
The spelling of 13227725 in words is "thirteen million, two hundred twenty-seven thousand, seven hundred twenty-five".
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