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13028875 = 53104231
BaseRepresentation
bin110001101100…
…111000001011
3220111221020221
4301230320023
511313411000
61143130511
7215513026
oct61547013
926457227
1013028875
117399872
124443a37
1329123c2
141a321bd
15122561a
hexc6ce0b

13028875 has 8 divisors (see below), whose sum is σ = 16260192. Its totient is φ = 10423000.

The previous prime is 13028863. The next prime is 13028881. The reversal of 13028875 is 57882031.

13028875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13028875 - 25 = 13028843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13028875.

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, 51991 + ... + 52240.

It is an arithmetic number, because the mean of its divisors is an integer number (2032524).

Almost surely, 213028875 is an apocalyptic number.

13028875 is a deficient number, since it is larger than the sum of its proper divisors (3231317).

13028875 is an equidigital number, since it uses as much as digits as its factorization.

13028875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104246 (or 104236 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 13028875 is about 3609.5532964620. The cubic root of 13028875 is about 235.3074292408.

The spelling of 13028875 in words is "thirteen million, twenty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 104231 521155 2605775 13028875