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13104325 = 521361661
BaseRepresentation
bin110001111111…
…010011000101
3220122202202101
4301333103011
511323314300
61144512101
7216246013
oct61772305
926582671
1013104325
117440523
12447b631
13293a850
141a518b3
15123cb6a
hexc7f4c5

13104325 has 24 divisors (see below), whose sum is σ = 17813096. Its totient is φ = 9504000.

The previous prime is 13104277. The next prime is 13104347. The reversal of 13104325 is 52340131.

It can be written as a sum of positive squares in 12 ways, for example, as 7717284 + 5387041 = 2778^2 + 2321^2 .

It is not a de Polignac number, because 13104325 - 211 = 13102277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19495 + ... + 20155.

Almost surely, 213104325 is an apocalyptic number.

It is an amenable number.

13104325 is a deficient number, since it is larger than the sum of its proper divisors (4708771).

13104325 is a wasteful number, since it uses less digits than its factorization.

13104325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13104325 is about 3619.9896408692. The cubic root of 13104325 is about 235.7607757355.

Adding to 13104325 its reverse (52340131), we get a palindrome (65444456).

The spelling of 13104325 in words is "thirteen million, one hundred four thousand, three hundred twenty-five".

Divisors: 1 5 13 25 61 65 305 325 661 793 1525 3305 3965 8593 16525 19825 40321 42965 201605 214825 524173 1008025 2620865 13104325