Search a number
-
+
12445065 = 325276557
BaseRepresentation
bin101111011110…
…010110001001
3212102021102100
4233132112021
511141220230
61122424013
7210531663
oct57362611
925367370
1012445065
117030186
124202009
132769759
14191d533
15115c660
hexbde589

12445065 has 12 divisors (see below), whose sum is σ = 21571524. Its totient is φ = 6637344.

The previous prime is 12445039. The next prime is 12445067. The reversal of 12445065 is 56054421.

12445065 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 6230016 + 6215049 = 2496^2 + 2493^2 .

It is not a de Polignac number, because 12445065 - 25 = 12445033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12445067) 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, 138234 + ... + 138323.

It is an arithmetic number, because the mean of its divisors is an integer number (1797627).

Almost surely, 212445065 is an apocalyptic number.

12445065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12445065 is a deficient number, since it is larger than the sum of its proper divisors (9126459).

12445065 is a wasteful number, since it uses less digits than its factorization.

12445065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276568 (or 276565 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 12445065 is about 3527.7563691389. The cubic root of 12445065 is about 231.7389615016.

Adding to 12445065 its reverse (56054421), we get a palindrome (68499486).

The spelling of 12445065 in words is "twelve million, four hundred forty-five thousand, sixty-five".

Divisors: 1 3 5 9 15 45 276557 829671 1382785 2489013 4148355 12445065