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13285707 = 316632663
BaseRepresentation
bin110010101011…
…100101001011
3220222222120020
4302223211023
511400120312
61152431523
7220632561
oct62534513
926888506
1013285707
117554826
1245485a3
1329a2286
141a9ba31
15127678c
hexcab94b

13285707 has 8 divisors (see below), whose sum is σ = 17731584. Its totient is φ = 8848488.

The previous prime is 13285663. The next prime is 13285709. The reversal of 13285707 is 70758231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13285707 - 211 = 13283659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13285709) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3658 + ... + 6320.

It is an arithmetic number, because the mean of its divisors is an integer number (2216448).

Almost surely, 213285707 is an apocalyptic number.

13285707 is a deficient number, since it is larger than the sum of its proper divisors (4445877).

13285707 is a wasteful number, since it uses less digits than its factorization.

13285707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 13285707 is about 3644.9563783398. The cubic root of 13285707 is about 236.8435471543.

The spelling of 13285707 in words is "thirteen million, two hundred eighty-five thousand, seven hundred seven".

Divisors: 1 3 1663 2663 4989 7989 4428569 13285707