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13241513 is a prime number
BaseRepresentation
bin110010100000…
…110010101001
3220220201221102
4302200302221
511342212023
61151451145
7220356665
oct62406251
926821842
1013241513
1175245aa
124526ab5
13298811c
141a898a5
151268628
hexca0ca9

13241513 has 2 divisors, whose sum is σ = 13241514. Its totient is φ = 13241512.

The previous prime is 13241479. The next prime is 13241519. The reversal of 13241513 is 31514231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 1075369 = 3488^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241513 - 28 = 13241257 is a prime.

It is not a weakly prime, because it can be changed into another prime (13241519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620756 + 6620757.

It is an arithmetic number, because the mean of its divisors is an integer number (6620757).

Almost surely, 213241513 is an apocalyptic number.

It is an amenable number.

13241513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13241513 is an equidigital number, since it uses as much as digits as its factorization.

13241513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 13241513 is about 3638.8889787956. Note that the first 3 decimals coincide. The cubic root of 13241513 is about 236.5806407791.

Adding to 13241513 its reverse (31514231), we get a palindrome (44755744).

The spelling of 13241513 in words is "thirteen million, two hundred forty-one thousand, five hundred thirteen".