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13310005 = 531431997
BaseRepresentation
bin110010110001…
…100000110101
3221001012220011
4302301200311
511401410010
61153140221
7221063452
oct62614065
927035804
1013310005
117571005
12455a671
1329b0357
141aa6829
15127da8a
hexcb1835

13310005 has 16 divisors (see below), whose sum is σ = 16879104. Its totient is φ = 10059840.

The previous prime is 13309991. The next prime is 13310009. The reversal of 13310005 is 50001331.

13310005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13310005 - 29 = 13309493 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 (13310009) 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 15 ways as a sum of consecutive naturals, for example, 5667 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (1054944).

Almost surely, 213310005 is an apocalyptic number.

It is an amenable number.

13310005 is a deficient number, since it is larger than the sum of its proper divisors (3569099).

13310005 is a wasteful number, since it uses less digits than its factorization.

13310005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 13310005 is about 3648.2879546439. The cubic root of 13310005 is about 236.9878455789.

Adding to 13310005 its reverse (50001331), we get a palindrome (63311336).

The spelling of 13310005 in words is "thirteen million, three hundred ten thousand, five".

Divisors: 1 5 31 43 155 215 1333 1997 6665 9985 61907 85871 309535 429355 2662001 13310005