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13104265 = 513191987
BaseRepresentation
bin110001111111…
…010010001001
3220122202200011
4301333102021
511323314030
61144511521
7216245566
oct61772211
926582604
1013104265
117440479
12447b5a1
13293a805
141a5186d
15123cb2a
hexc7f489

13104265 has 8 divisors (see below), whose sum is σ = 15744960. Its totient is φ = 10470192.

The previous prime is 13104251. The next prime is 13104269. The reversal of 13104265 is 56240131.

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 13104265 - 27 = 13104137 is a prime.

It is a super-2 number, since 2×131042652 = 343443522380450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13104269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602 + ... + 7588.

It is an arithmetic number, because the mean of its divisors is an integer number (1968120).

Almost surely, 213104265 is an apocalyptic number.

It is an amenable number.

13104265 is a deficient number, since it is larger than the sum of its proper divisors (2640695).

13104265 is a wasteful number, since it uses less digits than its factorization.

13104265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13104265 is about 3619.9813535431. The cubic root of 13104265 is about 235.7604159136.

Adding to 13104265 its reverse (56240131), we get a palindrome (69344396).

The spelling of 13104265 in words is "thirteen million, one hundred four thousand, two hundred sixty-five".

Divisors: 1 5 1319 1987 6595 9935 2620853 13104265