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13009065 = 35867271
BaseRepresentation
bin110001101000…
…000010101001
3220110221002020
4301220002221
511312242230
61142455053
7215401206
oct61500251
926427066
1013009065
1173859a3
124434489
132906394
141a28cad
15121e810
hexc680a9

13009065 has 8 divisors (see below), whose sum is σ = 20814528. Its totient is φ = 6938160.

The previous prime is 13009027. The next prime is 13009067. The reversal of 13009065 is 56090031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13009065 - 26 = 13009001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13009067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433621 + ... + 433650.

It is an arithmetic number, because the mean of its divisors is an integer number (2601816).

Almost surely, 213009065 is an apocalyptic number.

13009065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13009065 is a deficient number, since it is larger than the sum of its proper divisors (7805463).

13009065 is an equidigital number, since it uses as much as digits as its factorization.

13009065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867279.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 13009065 is about 3606.8081457155. The cubic root of 13009065 is about 235.1881095324.

Adding to 13009065 its reverse (56090031), we get a palindrome (69099096).

The spelling of 13009065 in words is "thirteen million, nine thousand, sixty-five".

Divisors: 1 3 5 15 867271 2601813 4336355 13009065