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13008369 = 3111920747
BaseRepresentation
bin110001100111…
…110111110001
3220110220010110
4301213313301
511312231434
61142451533
7215366163
oct61476761
926426113
1013008369
117385420
124433ba9
132905c7a
141a28933
15121e4e9
hexc67df1

13008369 has 16 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 7468560.

The previous prime is 13008367. The next prime is 13008419. The reversal of 13008369 is 96380031.

It is not a de Polignac number, because 13008369 - 21 = 13008367 is a prime.

It is a super-2 number, since 2×130083692 = 338435328080322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13008367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9747 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 213008369 is an apocalyptic number.

13008369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13008369 is a deficient number, since it is larger than the sum of its proper divisors (6909711).

13008369 is a wasteful number, since it uses less digits than its factorization.

13008369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20780.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13008369 is about 3606.7116602246. The cubic root of 13008369 is about 235.1839151791.

It can be divided in two parts, 1300 and 8369, that added together give a palindrome (9669).

The spelling of 13008369 in words is "thirteen million, eight thousand, three hundred sixty-nine".

Divisors: 1 3 11 19 33 57 209 627 20747 62241 228217 394193 684651 1182579 4336123 13008369