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13008711 = 319228223
BaseRepresentation
bin110001100111…
…111101000111
3220110220121010
4301213331013
511312234321
61142453303
7215400162
oct61477507
926426533
1013008711
117385701
124434233
132906181
141a28ad9
15121e676
hexc67f47

13008711 has 8 divisors (see below), whose sum is σ = 18257920. Its totient is φ = 8215992.

The previous prime is 13008703. The next prime is 13008713. The reversal of 13008711 is 11780031.

13008711 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 not a de Polignac number, because 13008711 - 23 = 13008703 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 (13008713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114055 + ... + 114168.

It is an arithmetic number, because the mean of its divisors is an integer number (2282240).

Almost surely, 213008711 is an apocalyptic number.

13008711 is a deficient number, since it is larger than the sum of its proper divisors (5249209).

13008711 is a wasteful number, since it uses less digits than its factorization.

13008711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228245.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 13008711 is about 3606.7590715211. The cubic root of 13008711 is about 235.1859762162.

Adding to 13008711 its reverse (11780031), we get a palindrome (24788742).

It can be divided in two parts, 1300 and 8711, that added together give a triangular number (10011 = T141).

The spelling of 13008711 in words is "thirteen million, eight thousand, seven hundred eleven".

Divisors: 1 3 19 57 228223 684669 4336237 13008711