Base | Representation |
---|---|
bin | 101111000001… |
… | …000101011111 |
3 | 212012012000110 |
4 | 233001011133 |
5 | 11123401330 |
6 | 1120101103 |
7 | 206522400 |
oct | 57010537 |
9 | 25165013 |
10 | 12325215 |
11 | 6a59131 |
12 | 4164793 |
13 | 2727036 |
14 | 18cb9a7 |
15 | 1136db0 |
hex | bc115f |
12325215 has 48 divisors (see below), whose sum is σ = 23556960. Its totient is φ = 5483520.
The previous prime is 12325211. The next prime is 12325231. The reversal of 12325215 is 51252321.
It is not a de Polignac number, because 12325215 - 22 = 12325211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12325191 and 12325200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12325211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29931 + ... + 30339.
It is an arithmetic number, because the mean of its divisors is an integer number (490770).
Almost surely, 212325215 is an apocalyptic number.
12325215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12325215 is a deficient number, since it is larger than the sum of its proper divisors (11231745).
12325215 is a wasteful number, since it uses less digits than its factorization.
12325215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 472 (or 465 counting only the distinct ones).
The product of its digits is 600, while the sum is 21.
The square root of 12325215 is about 3510.7285568668. The cubic root of 12325215 is about 230.9926535772.
Adding to 12325215 its reverse (51252321), we get a palindrome (63577536).
The spelling of 12325215 in words is "twelve million, three hundred twenty-five thousand, two hundred fifteen".
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