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13104125 = 53791327
BaseRepresentation
bin110001111111…
…001111111101
3220122202110222
4301333033331
511323313000
61144511125
7216245306
oct61771775
926582428
1013104125
117440361
12447b4a5
13293a728
141a517ad
15123ca85
hexc7f3fd

13104125 has 16 divisors (see below), whose sum is σ = 16573440. Its totient is φ = 10342800.

The previous prime is 13104109. The next prime is 13104137. The reversal of 13104125 is 52140131.

It is not a de Polignac number, because 13104125 - 24 = 13104109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9212 + ... + 10538.

It is an arithmetic number, because the mean of its divisors is an integer number (1035840).

Almost surely, 213104125 is an apocalyptic number.

It is an amenable number.

13104125 is a deficient number, since it is larger than the sum of its proper divisors (3469315).

13104125 is an equidigital number, since it uses as much as digits as its factorization.

13104125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13104125 is about 3619.9620163753. The cubic root of 13104125 is about 235.7595763250.

Adding to 13104125 its reverse (52140131), we get a palindrome (65244256).

The spelling of 13104125 in words is "thirteen million, one hundred four thousand, one hundred twenty-five".

Divisors: 1 5 25 79 125 395 1327 1975 6635 9875 33175 104833 165875 524165 2620825 13104125