Base | Representation |
---|---|
bin | 110000010000… |
… | …101100111101 |
3 | 212210202100121 |
4 | 300100230331 |
5 | 11214320300 |
6 | 1131054541 |
7 | 212351221 |
oct | 60205475 |
9 | 25722317 |
10 | 12651325 |
11 | 7161145 |
12 | 42a1451 |
13 | 280c5bb |
14 | 1974781 |
15 | 119d81a |
hex | c10b3d |
12651325 has 12 divisors (see below), whose sum is σ = 15811488. Its totient is φ = 10041200.
The previous prime is 12651323. The next prime is 12651371. The reversal of 12651325 is 52315621.
It is not a de Polignac number, because 12651325 - 21 = 12651323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12651325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12651323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344 + ... + 5206.
It is an arithmetic number, because the mean of its divisors is an integer number (1317624).
Almost surely, 212651325 is an apocalyptic number.
It is an amenable number.
12651325 is a deficient number, since it is larger than the sum of its proper divisors (3160163).
12651325 is a wasteful number, since it uses less digits than its factorization.
12651325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4004 (or 3999 counting only the distinct ones).
The product of its digits is 1800, while the sum is 25.
The square root of 12651325 is about 3556.8701128942. The cubic root of 12651325 is about 233.0122056393.
Adding to 12651325 its reverse (52315621), we get a palindrome (64966946).
The spelling of 12651325 in words is "twelve million, six hundred fifty-one thousand, three hundred twenty-five".
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