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13295687 = 19838431
BaseRepresentation
bin110010101110…
…000001000111
3221000111020212
4302232001013
511400430222
61152550035
7221003636
oct62560107
927014225
1013295687
117561279
12455231b
1329a6992
141aa151d
1512796e2
hexcae047

13295687 has 8 divisors (see below), whose sum is σ = 14165760. Its totient is φ = 12442680.

The previous prime is 13295677. The next prime is 13295707. The reversal of 13295687 is 78659231.

13295687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13295687 - 24 = 13295671 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 (13295627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (1770720).

Almost surely, 213295687 is an apocalyptic number.

13295687 is a deficient number, since it is larger than the sum of its proper divisors (870073).

13295687 is an equidigital number, since it uses as much as digits as its factorization.

13295687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533.

The product of its digits is 90720, while the sum is 41.

The square root of 13295687 is about 3646.3251363530. The cubic root of 13295687 is about 236.9028366095.

The spelling of 13295687 in words is "thirteen million, two hundred ninety-five thousand, six hundred eighty-seven".

Divisors: 1 19 83 1577 8431 160189 699773 13295687