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12527329 = 13019629
BaseRepresentation
bin101111110010…
…011011100001
3212120110021011
4233302123201
511201333304
61124300521
7211323553
oct57623341
925513234
1012527329
117086a71
124241741
132798029
1419414d3
151176c04
hexbf26e1

12527329 has 4 divisors (see below), whose sum is σ = 12538260. Its totient is φ = 12516400.

The previous prime is 12527323. The next prime is 12527353. The reversal of 12527329 is 92372521.

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: 92372521 = 731265377.

It can be written as a sum of positive squares in 2 ways, for example, as 5870929 + 6656400 = 2423^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 12527329 - 25 = 12527297 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12527329.

It is not an unprimeable number, because it can be changed into a prime (12527323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (3134565).

Almost surely, 212527329 is an apocalyptic number.

It is an amenable number.

12527329 is a deficient number, since it is larger than the sum of its proper divisors (10931).

12527329 is an equidigital number, since it uses as much as digits as its factorization.

12527329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930.

The product of its digits is 7560, while the sum is 31.

The square root of 12527329 is about 3539.3967000041. The cubic root of 12527329 is about 232.2484518786.

The spelling of 12527329 in words is "twelve million, five hundred twenty-seven thousand, three hundred twenty-nine".

Divisors: 1 1301 9629 12527329