12790017 has 6 divisors (see below), whose sum is σ = 18474482. Its totient is φ = 8526672.

The previous prime is 12790009. The next prime is 12790027. The reversal of 12790017 is 71009721.

It can be written as a sum of positive squares in only one way, i.e., 9678321 + 3111696 = 3111^2 + 1764^2 .

It is not a de Polignac number, because 12790017 - 2³ = 12790009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12790007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 710548 + ... + 710565.

Almost surely, 2^12790017 is an apocalyptic number.

It is an amenable number.

12790017 is a deficient number, since it is larger than the sum of its proper divisors (5684465).

12790017 is a wasteful number, since it uses less digits than its factorization.

12790017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421119 (or 1421116 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 12790017 is about 3576.3133251996. The cubic root of 12790017 is about 233.8605897630.

Adding to 12790017 its reverse (71009721), we get a palindrome (83799738).

The spelling of 12790017 in words is "twelve million, seven hundred ninety thousand, seventeen".