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13286275 = 521792969
BaseRepresentation
bin110010101011…
…101110000011
3221000000100021
4302223232003
511400130100
61152434311
7220634332
oct62535603
927000307
1013286275
1175551a2
124548997
1329a2602
141a9bd19
151276a1a
hexcabb83

13286275 has 12 divisors (see below), whose sum is σ = 16572600. Its totient is φ = 10566080.

The previous prime is 13286267. The next prime is 13286291. The reversal of 13286275 is 57268231.

It is a happy number.

It is not a de Polignac number, because 13286275 - 23 = 13286267 is a prime.

It is a super-4 number, since 4×132862754 (a number of 30 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13286275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2991 + ... + 5959.

It is an arithmetic number, because the mean of its divisors is an integer number (1381050).

Almost surely, 213286275 is an apocalyptic number.

13286275 is a deficient number, since it is larger than the sum of its proper divisors (3286325).

13286275 is a wasteful number, since it uses less digits than its factorization.

13286275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3153 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 13286275 is about 3645.0342933915. The cubic root of 13286275 is about 236.8469223408.

The spelling of 13286275 in words is "thirteen million, two hundred eighty-six thousand, two hundred seventy-five".

Divisors: 1 5 25 179 895 2969 4475 14845 74225 531451 2657255 13286275