Base | Representation |
---|---|
bin | 101111110011… |
… | …011010001101 |
3 | 212120122202202 |
4 | 233303122031 |
5 | 11202000331 |
6 | 1124331245 |
7 | 211341344 |
oct | 57633215 |
9 | 25518682 |
10 | 12531341 |
11 | 7089a89 |
12 | 4243b25 |
13 | 2799ac4 |
14 | 1942b5b |
15 | 1177ecb |
hex | bf368d |
12531341 has 2 divisors, whose sum is σ = 12531342. Its totient is φ = 12531340.
The previous prime is 12531331. The next prime is 12531349. The reversal of 12531341 is 14313521.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11703241 + 828100 = 3421^2 + 910^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12531341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12531349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265670 + 6265671.
It is an arithmetic number, because the mean of its divisors is an integer number (6265671).
Almost surely, 212531341 is an apocalyptic number.
It is an amenable number.
12531341 is a deficient number, since it is larger than the sum of its proper divisors (1).
12531341 is an equidigital number, since it uses as much as digits as its factorization.
12531341 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 360, while the sum is 20.
The square root of 12531341 is about 3539.9634178901. The cubic root of 12531341 is about 232.2732425140.
Adding to 12531341 its reverse (14313521), we get a palindrome (26844862).
The spelling of 12531341 in words is "twelve million, five hundred thirty-one thousand, three hundred forty-one".
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