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13058117 = 54124137
BaseRepresentation
bin110001110100…
…000001000101
3220120102100222
4301310001011
511320324432
61143514125
7215664212
oct61640105
926512328
1013058117
117409836
124458945
1329227c7
141a3cb09
15122e112
hexc74045

13058117 has 4 divisors (see below), whose sum is σ = 13082796. Its totient is φ = 13033440.

The previous prime is 13058113. The next prime is 13058119. The reversal of 13058117 is 71185031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71185031 = 211133721.

It can be written as a sum of positive squares in 2 ways, for example, as 7230721 + 5827396 = 2689^2 + 2414^2 .

It is a cyclic number.

It is not a de Polignac number, because 13058117 - 22 = 13058113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13058113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11528 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (3270699).

Almost surely, 213058117 is an apocalyptic number.

It is an amenable number.

13058117 is a deficient number, since it is larger than the sum of its proper divisors (24679).

13058117 is an equidigital number, since it uses as much as digits as its factorization.

13058117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24678.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 13058117 is about 3613.6016659283. The cubic root of 13058117 is about 235.4833389914.

The spelling of 13058117 in words is "thirteen million, fifty-eight thousand, one hundred seventeen".

Divisors: 1 541 24137 13058117