12717065 has 4 divisors (see below), whose sum is σ = 15260484. Its totient is φ = 10173648.

The previous prime is 12717043. The next prime is 12717073. The reversal of 12717065 is 56071721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56071721 = 53 ⋅1057957.

It can be written as a sum of positive squares in 2 ways, for example, as 7166329 + 5550736 = 2677^2 + 2356^2 .

It is a cyclic number.

It is not a de Polignac number, because 12717065 - 2¹² = 12712969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271702 + ... + 1271711.

It is an arithmetic number, because the mean of its divisors is an integer number (3815121).

Almost surely, 2^12717065 is an apocalyptic number.

It is an amenable number.

12717065 is a deficient number, since it is larger than the sum of its proper divisors (2543419).

12717065 is an equidigital number, since it uses as much as digits as its factorization.

12717065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543418.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 12717065 is about 3566.0994097193. The cubic root of 12717065 is about 233.4151085255.

Adding to 12717065 its reverse (56071721), we get a palindrome (68788786).

The spelling of 12717065 in words is "twelve million, seven hundred seventeen thousand, sixty-five".