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12280573 is a prime number
BaseRepresentation
bin101110110110…
…001011111101
3212002220210001
4232312023331
511120434243
61115114301
7206245264
oct56661375
925086701
1012280573
116a28638
124142991
13270c916
1418b95db
151128a4d
hexbb62fd

12280573 has 2 divisors, whose sum is σ = 12280574. Its totient is φ = 12280572.

The previous prime is 12280561. The next prime is 12280591. The reversal of 12280573 is 37508221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 79524 = 3493^2 + 282^2 .

It is an emirp because it is prime and its reverse (37508221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12280573 - 221 = 10183421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12280523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6140286 + 6140287.

It is an arithmetic number, because the mean of its divisors is an integer number (6140287).

Almost surely, 212280573 is an apocalyptic number.

It is an amenable number.

12280573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280573 is an equidigital number, since it uses as much as digits as its factorization.

12280573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12280573 is about 3504.3648497267. The cubic root of 12280573 is about 230.7134306140.

Adding to 12280573 its reverse (37508221), we get a palindrome (49788794).

The spelling of 12280573 in words is "twelve million, two hundred eighty thousand, five hundred seventy-three".