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13132065 = 35312911
BaseRepresentation
bin110010000110…
…000100100001
3220201011210210
4302012010201
511330211230
61145244333
7216422622
oct62060441
926634723
1013132065
11745a351
1244936a9
13294a36b
141a5ba49
151245eb0
hexc86121

13132065 has 24 divisors (see below), whose sum is σ = 21734784. Its totient is φ = 6770400.

The previous prime is 13132051. The next prime is 13132073. The reversal of 13132065 is 56023131.

13132065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13132065 - 25 = 13132033 is a prime.

It is a super-2 number, since 2×131320652 = 344902262328450, which contains 22 as substring.

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, 13960 + ... + 14870.

It is an arithmetic number, because the mean of its divisors is an integer number (905616).

Almost surely, 213132065 is an apocalyptic number.

13132065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13132065 is a deficient number, since it is larger than the sum of its proper divisors (8602719).

13132065 is an equidigital number, since it uses as much as digits as its factorization.

13132065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13132065 is about 3623.8191180024. The cubic root of 13132065 is about 235.9270158784.

Adding to 13132065 its reverse (56023131), we get a palindrome (69155196).

The spelling of 13132065 in words is "thirteen million, one hundred thirty-two thousand, sixty-five".

Divisors: 1 3 5 15 31 93 155 465 911 961 2733 2883 4555 4805 13665 14415 28241 84723 141205 423615 875471 2626413 4377355 13132065