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13104009 = 321456001
BaseRepresentation
bin110001111111…
…001110001001
3220122202022200
4301333032021
511323312014
61144510413
7216245052
oct61771611
926582280
1013104009
117440266
12447b409
13293a669
141a51729
15123ca09
hexc7f389

13104009 has 6 divisors (see below), whose sum is σ = 18928026. Its totient is φ = 8736000.

The previous prime is 13103999. The next prime is 13104017. The reversal of 13104009 is 90040131.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 1814409 = 3360^2 + 1347^2 .

It is not a de Polignac number, because 13104009 - 212 = 13099913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13103982 and 13104000.

It is not an unprimeable number, because it can be changed into a prime (13104019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 727992 + ... + 728009.

It is an arithmetic number, because the mean of its divisors is an integer number (3154671).

Almost surely, 213104009 is an apocalyptic number.

It is an amenable number.

13104009 is a deficient number, since it is larger than the sum of its proper divisors (5824017).

13104009 is a wasteful number, since it uses less digits than its factorization.

13104009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456007 (or 1456004 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13104009 is about 3619.9459940723. The cubic root of 13104009 is about 235.7588806613.

The spelling of 13104009 in words is "thirteen million, one hundred four thousand, nine".

Divisors: 1 3 9 1456001 4368003 13104009