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12735385 = 513195929
BaseRepresentation
bin110000100101…
…001110011001
3212222000122221
4300211032121
511230013020
61132544041
7213151255
oct60451631
925860587
1012735385
117209313
124322021
13283b940
141997265
1511b86aa
hexc25399

12735385 has 8 divisors (see below), whose sum is σ = 16458120. Its totient is φ = 9404544.

The previous prime is 12735347. The next prime is 12735391. The reversal of 12735385 is 58353721.

It can be written as a sum of positive squares in 4 ways, for example, as 4761 + 12730624 = 69^2 + 3568^2 .

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 12735385 - 29 = 12734873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12735385.

It is an unprimeable number.

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, 97900 + ... + 98029.

It is an arithmetic number, because the mean of its divisors is an integer number (2057265).

Almost surely, 212735385 is an apocalyptic number.

It is an amenable number.

12735385 is a deficient number, since it is larger than the sum of its proper divisors (3722735).

12735385 is a wasteful number, since it uses less digits than its factorization.

12735385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195947.

The product of its digits is 25200, while the sum is 34.

The square root of 12735385 is about 3568.6671181269. The cubic root of 12735385 is about 233.5271394341.

The spelling of 12735385 in words is "twelve million, seven hundred thirty-five thousand, three hundred eighty-five".

Divisors: 1 5 13 65 195929 979645 2547077 12735385