Base | Representation |
---|---|
bin | 110001110111… |
… | …011111000101 |
3 | 220121010212012 |
4 | 301313133011 |
5 | 11321303300 |
6 | 1144104005 |
7 | 216053510 |
oct | 61673705 |
9 | 26533765 |
10 | 13072325 |
11 | 7419482 |
12 | 4465005 |
13 | 2929106 |
14 | 1a43d77 |
15 | 1233435 |
hex | c777c5 |
13072325 has 12 divisors (see below), whose sum is σ = 18525600. Its totient is φ = 8963760.
The previous prime is 13072321. The next prime is 13072327. The reversal of 13072325 is 52327031.
It is not a de Polignac number, because 13072325 - 22 = 13072321 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13072325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13072321) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37175 + ... + 37524.
It is an arithmetic number, because the mean of its divisors is an integer number (1543800).
Almost surely, 213072325 is an apocalyptic number.
It is an amenable number.
13072325 is a deficient number, since it is larger than the sum of its proper divisors (5453275).
13072325 is an equidigital number, since it uses as much as digits as its factorization.
13072325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74716 (or 74711 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 13072325 is about 3615.5670371326. The cubic root of 13072325 is about 235.5687146127.
Adding to 13072325 its reverse (52327031), we get a palindrome (65399356).
The spelling of 13072325 in words is "thirteen million, seventy-two thousand, three hundred twenty-five".
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