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13375 = 53107
BaseRepresentation
bin11010000111111
3200100101
43100333
5412000
6141531
753665
oct32077
920311
1013375
11a05a
1278a7
13611b
144c35
153e6a
hex343f

13375 has 8 divisors (see below), whose sum is σ = 16848. Its totient is φ = 10600.

The previous prime is 13367. The next prime is 13381. The reversal of 13375 is 57331.

Subtracting 13375 from its reverse (57331), we obtain a triangular number (43956 = T296).

It is not a de Polignac number, because 13375 - 23 = 13367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 178.

It is an arithmetic number, because the mean of its divisors is an integer number (2106).

213375 is an apocalyptic number.

13375 is a deficient number, since it is larger than the sum of its proper divisors (3473).

13375 is an equidigital number, since it uses as much as digits as its factorization.

13375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 112 counting only the distinct ones).

The product of its digits is 315, while the sum is 19.

The square root of 13375 is about 115.6503350622. The cubic root of 13375 is about 23.7372969926.

The spelling of 13375 in words is "thirteen thousand, three hundred seventy-five".

Divisors: 1 5 25 107 125 535 2675 13375