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12679533 = 326772081
BaseRepresentation
bin110000010111…
…100101101101
3212212012001100
4300113211231
511221221113
61131433313
7212526366
oct60274555
925765040
1012679533
117180359
1242b5839
13281c3a9
141980b6d
1511a6d73
hexc1796d

12679533 has 12 divisors (see below), whose sum is σ = 18350748. Its totient is φ = 8436480.

The previous prime is 12679531. The next prime is 12679543. The reversal of 12679533 is 33597621.

12679533 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 2 ways, for example, as 9847044 + 2832489 = 3138^2 + 1683^2 .

It is not a de Polignac number, because 12679533 - 21 = 12679531 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679531) 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 11 ways as a sum of consecutive naturals, for example, 5053 + ... + 7133.

It is an arithmetic number, because the mean of its divisors is an integer number (1529229).

Almost surely, 212679533 is an apocalyptic number.

It is an amenable number.

12679533 is a deficient number, since it is larger than the sum of its proper divisors (5671215).

12679533 is a wasteful number, since it uses less digits than its factorization.

12679533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2761 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 12679533 is about 3560.8331890163. The cubic root of 12679533 is about 233.1852554799.

The spelling of 12679533 in words is "twelve million, six hundred seventy-nine thousand, five hundred thirty-three".

Divisors: 1 3 9 677 2031 2081 6093 6243 18729 1408837 4226511 12679533