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13063385 = 52612677
BaseRepresentation
bin110001110101…
…010011011001
3220120200121002
4301311103121
511321012020
61143554345
7216015446
oct61652331
926520532
1013063385
117412795
12445b9b5
13292501a
141a409cd
151230975
hexc754d9

13063385 has 4 divisors (see below), whose sum is σ = 15676068. Its totient is φ = 10450704.

The previous prime is 13063373. The next prime is 13063397. The reversal of 13063385 is 58336031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58336031 = 134487387.

It is an interprime number because it is at equal distance from previous prime (13063373) and next prime (13063397).

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 10896601 = 1472^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 13063385 - 28 = 13063129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1306334 + ... + 1306343.

It is an arithmetic number, because the mean of its divisors is an integer number (3919017).

Almost surely, 213063385 is an apocalyptic number.

It is an amenable number.

13063385 is a deficient number, since it is larger than the sum of its proper divisors (2612683).

13063385 is an equidigital number, since it uses as much as digits as its factorization.

13063385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612682.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13063385 is about 3614.3305050867. The cubic root of 13063385 is about 235.5150015311.

The spelling of 13063385 in words is "thirteen million, sixty-three thousand, three hundred eighty-five".

Divisors: 1 5 2612677 13063385