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12727025 = 52541941
BaseRepresentation
bin110000100011…
…001011110001
3212221121012022
4300203023301
511224231100
61132441225
7213115013
oct60431361
925847168
1012727025
117203003
124319215
132837bac
1419941b3
1511b5e85
hexc232f1

12727025 has 12 divisors (see below), whose sum is σ = 15827484. Its totient is φ = 10152000.

The previous prime is 12727021. The next prime is 12727061. The reversal of 12727025 is 52072721.

It can be written as a sum of positive squares in 6 ways, for example, as 223729 + 12503296 = 473^2 + 3536^2 .

It is not a de Polignac number, because 12727025 - 22 = 12727021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12726985 and 12727003.

It is not an unprimeable number, because it can be changed into a prime (12727021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13055 + ... + 13995.

It is an arithmetic number, because the mean of its divisors is an integer number (1318957).

Almost surely, 212727025 is an apocalyptic number.

It is an amenable number.

12727025 is a deficient number, since it is larger than the sum of its proper divisors (3100459).

12727025 is an equidigital number, since it uses as much as digits as its factorization.

12727025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12727025 is about 3567.4956201795. The cubic root of 12727025 is about 233.4760294957.

Adding to 12727025 its reverse (52072721), we get a palindrome (64799746).

The spelling of 12727025 in words is "twelve million, seven hundred twenty-seven thousand, twenty-five".

Divisors: 1 5 25 541 941 2705 4705 13525 23525 509081 2545405 12727025