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12532679 = 16197741
BaseRepresentation
bin101111110011…
…101111000111
3212120201121022
4233303233013
511202021204
61124341355
7211345265
oct57635707
925521538
1012532679
11708aa95
12424485b
13279a5b3
141943435
1511785be
hexbf3bc7

12532679 has 4 divisors (see below), whose sum is σ = 12542040. Its totient is φ = 12523320.

The previous prime is 12532673. The next prime is 12532687. The reversal of 12532679 is 97623521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97623521 = 831176187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12532679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (3135510).

Almost surely, 212532679 is an apocalyptic number.

12532679 is a deficient number, since it is larger than the sum of its proper divisors (9361).

12532679 is an equidigital number, since it uses as much as digits as its factorization.

12532679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360.

The product of its digits is 22680, while the sum is 35.

The square root of 12532679 is about 3540.1523978496. The cubic root of 12532679 is about 232.2815090019.

The spelling of 12532679 in words is "twelve million, five hundred thirty-two thousand, six hundred seventy-nine".

Divisors: 1 1619 7741 12532679