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12825693 = 321425077
BaseRepresentation
bin110000111011…
…010001011101
3220010121112200
4300323101131
511240410233
61134522113
7214005456
oct60732135
926117480
1012825693
117270151
124366339
132870a8a
1419bc12d
1511d5313
hexc3b45d

12825693 has 6 divisors (see below), whose sum is σ = 18526014. Its totient is φ = 8550456.

The previous prime is 12825691. The next prime is 12825707. The reversal of 12825693 is 39652821.

12825693 is a `hidden beast` number, since 12 + 82 + 569 + 3 = 666.

12825693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 736164 = 3477^2 + 858^2 .

It is not a de Polignac number, because 12825693 - 21 = 12825691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825691) 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 5 ways as a sum of consecutive naturals, for example, 712530 + ... + 712547.

It is an arithmetic number, because the mean of its divisors is an integer number (3087669).

Almost surely, 212825693 is an apocalyptic number.

It is an amenable number.

12825693 is a deficient number, since it is larger than the sum of its proper divisors (5700321).

12825693 is a wasteful number, since it uses less digits than its factorization.

12825693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425083 (or 1425080 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12825693 is about 3581.2976698398. The cubic root of 12825693 is about 234.0778285930.

The spelling of 12825693 in words is "twelve million, eight hundred twenty-five thousand, six hundred ninety-three".

Divisors: 1 3 9 1425077 4275231 12825693