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12712241 is a prime number
BaseRepresentation
bin110000011111…
…100100110001
3212220211220202
4300133210301
511223242431
61132244545
7213023633
oct60374461
925824822
1012712241
1171a2993
124310755
132831249
14198ca53
1511b18cb
hexc1f931

12712241 has 2 divisors, whose sum is σ = 12712242. Its totient is φ = 12712240.

The previous prime is 12712229. The next prime is 12712283. The reversal of 12712241 is 14221721.

12712241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 4532641 = 2860^2 + 2129^2 .

It is an emirp because it is prime and its reverse (14221721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12712241 - 210 = 12711217 is a prime.

It is not a weakly prime, because it can be changed into another prime (12712291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6356120 + 6356121.

It is an arithmetic number, because the mean of its divisors is an integer number (6356121).

Almost surely, 212712241 is an apocalyptic number.

It is an amenable number.

12712241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12712241 is an equidigital number, since it uses as much as digits as its factorization.

12712241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 20.

The square root of 12712241 is about 3565.4229763101. The cubic root of 12712241 is about 233.3855907898.

Adding to 12712241 its reverse (14221721), we get a palindrome (26933962).

The spelling of 12712241 in words is "twelve million, seven hundred twelve thousand, two hundred forty-one".