Base | Representation |
---|---|
bin | 101111111101… |
… | …101100110101 |
3 | 212122210120221 |
4 | 233331230311 |
5 | 11204322433 |
6 | 1125254341 |
7 | 211605262 |
oct | 57755465 |
9 | 25583527 |
10 | 12573493 |
11 | 7108719 |
12 | 42643b1 |
13 | 27b304a |
14 | 1954269 |
15 | 118572d |
hex | bfdb35 |
12573493 has 2 divisors, whose sum is σ = 12573494. Its totient is φ = 12573492.
The previous prime is 12573469. The next prime is 12573499. The reversal of 12573493 is 39437521.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12341169 + 232324 = 3513^2 + 482^2 .
It is a cyclic number.
It is not a de Polignac number, because 12573493 - 221 = 10476341 is a prime.
It is a super-3 number, since 3×125734933 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12573499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286746 + 6286747.
It is an arithmetic number, because the mean of its divisors is an integer number (6286747).
Almost surely, 212573493 is an apocalyptic number.
It is an amenable number.
12573493 is a deficient number, since it is larger than the sum of its proper divisors (1).
12573493 is an equidigital number, since it uses as much as digits as its factorization.
12573493 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 22680, while the sum is 34.
The square root of 12573493 is about 3545.9121534522. The cubic root of 12573493 is about 232.5333855785.
The spelling of 12573493 in words is "twelve million, five hundred seventy-three thousand, four hundred ninety-three".
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