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13243041 = 337411709
BaseRepresentation
bin110010100001…
…001010100001
3220220211001000
4302201022201
511342234131
61151502213
7220364310
oct62411241
926824030
1013243041
117525769
124527969
132988a26
141a8a277
151268ce6
hexca12a1

13243041 has 32 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 7378560.

The previous prime is 13243033. The next prime is 13243063. The reversal of 13243041 is 14034231.

It is not a de Polignac number, because 13243041 - 23 = 13243033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13243001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6895 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 213243041 is an apocalyptic number.

It is an amenable number.

13243041 is a deficient number, since it is larger than the sum of its proper divisors (9739359).

13243041 is a wasteful number, since it uses less digits than its factorization.

13243041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13243041 is about 3639.0989269323. The cubic root of 13243041 is about 236.5897404772.

Adding to 13243041 its reverse (14034231), we get a palindrome (27277272).

The spelling of 13243041 in words is "thirteen million, two hundred forty-three thousand, forty-one".

Divisors: 1 3 7 9 21 27 41 63 123 189 287 369 861 1107 1709 2583 5127 7749 11963 15381 35889 46143 70069 107667 210207 323001 490483 630621 1471449 1891863 4414347 13243041