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12727225 = 52772727
BaseRepresentation
bin110000100011…
…001110111001
3212221121110201
4300203032321
511224232400
61132442201
7213115420
oct60431671
925847421
1012727225
117203175
124319361
132838004
1419942b7
1511b606a
hexc233b9

12727225 has 12 divisors (see below), whose sum is σ = 18036544. Its totient is φ = 8727120.

The previous prime is 12727213. The next prime is 12727229. The reversal of 12727225 is 52272721.

12727225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12727225 - 211 = 12725177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12727193 and 12727202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12727229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36189 + ... + 36538.

Almost surely, 212727225 is an apocalyptic number.

It is an amenable number.

12727225 is a deficient number, since it is larger than the sum of its proper divisors (5309319).

12727225 is an equidigital number, since it uses as much as digits as its factorization.

12727225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72744 (or 72739 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 12727225 is about 3567.5236509377. The cubic root of 12727225 is about 233.4772524828.

Adding to 12727225 its reverse (52272721), we get a palindrome (64999946).

The spelling of 12727225 in words is "twelve million, seven hundred twenty-seven thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 72727 363635 509089 1818175 2545445 12727225