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12895717 is a prime number
BaseRepresentation
bin110001001100…
…010111100101
3220021011121011
4301030113211
511300130332
61140222221
7214416562
oct61142745
926234534
1012895717
11730881a
12439a971
132896903
1419d9869
1511eae47
hexc4c5e5

12895717 has 2 divisors, whose sum is σ = 12895718. Its totient is φ = 12895716.

The previous prime is 12895667. The next prime is 12895763. The reversal of 12895717 is 71759821.

12895717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7873636 + 5022081 = 2806^2 + 2241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12895717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12895717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12895777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447858 + 6447859.

It is an arithmetic number, because the mean of its divisors is an integer number (6447859).

Almost surely, 212895717 is an apocalyptic number.

It is an amenable number.

12895717 is a deficient number, since it is larger than the sum of its proper divisors (1).

12895717 is an equidigital number, since it uses as much as digits as its factorization.

12895717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 40.

The square root of 12895717 is about 3591.0607068107. The cubic root of 12895717 is about 234.5030512588.

The spelling of 12895717 in words is "twelve million, eight hundred ninety-five thousand, seven hundred seventeen".