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13020585 = 35868039
BaseRepresentation
bin110001101010…
…110110101001
3220111111212220
4301222312221
511313124320
61143024253
7215446614
oct61526651
926444786
1013020585
117393616
12443b089
13290b6b6
141a2d17b
151222e40
hexc6ada9

13020585 has 8 divisors (see below), whose sum is σ = 20832960. Its totient is φ = 6944304.

The previous prime is 13020577. The next prime is 13020587. The reversal of 13020585 is 58502031.

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

It is not a de Polignac number, because 13020585 - 23 = 13020577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13020587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434005 + ... + 434034.

It is an arithmetic number, because the mean of its divisors is an integer number (2604120).

Almost surely, 213020585 is an apocalyptic number.

13020585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13020585 is a deficient number, since it is larger than the sum of its proper divisors (7812375).

13020585 is an equidigital number, since it uses as much as digits as its factorization.

13020585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868047.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 13020585 is about 3608.4047721950. The cubic root of 13020585 is about 235.2575115908.

The spelling of 13020585 in words is "thirteen million, twenty thousand, five hundred eighty-five".

Divisors: 1 3 5 15 868039 2604117 4340195 13020585