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13132265 = 515716729
BaseRepresentation
bin110010000110…
…000111101001
3220201012002012
4302012013221
511330213030
61145245305
7216423326
oct62060751
926635065
1013132265
11745a513
124493835
13294a493
141a5bb4d
151246095
hexc861e9

13132265 has 8 divisors (see below), whose sum is σ = 15860040. Its totient is φ = 10438272.

The previous prime is 13132261. The next prime is 13132267. The reversal of 13132265 is 56223131.

It can be written as a sum of positive squares in 4 ways, for example, as 1098304 + 12033961 = 1048^2 + 3469^2 .

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 13132265 - 22 = 13132261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13132265.

It is not an unprimeable number, because it can be changed into a prime (13132261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7580 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (1982505).

Almost surely, 213132265 is an apocalyptic number.

It is an amenable number.

13132265 is a deficient number, since it is larger than the sum of its proper divisors (2727775).

13132265 is a wasteful number, since it uses less digits than its factorization.

13132265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891.

The product of its digits is 1080, while the sum is 23.

The square root of 13132265 is about 3623.8467130937. The cubic root of 13132265 is about 235.9282135871.

Adding to 13132265 its reverse (56223131), we get a palindrome (69355396).

The spelling of 13132265 in words is "thirteen million, one hundred thirty-two thousand, two hundred sixty-five".

Divisors: 1 5 157 785 16729 83645 2626453 13132265