12290717 has 8 divisors (see below), whose sum is σ = 12882240. Its totient is φ = 11704000.

The previous prime is 12290713. The next prime is 12290737. The reversal of 12290717 is 71709221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12290717 - 2² = 12290713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12290717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4709 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (1610280).

Almost surely, 2^12290717 is an apocalyptic number.

It is an amenable number.

12290717 is a deficient number, since it is larger than the sum of its proper divisors (591523).

12290717 is a wasteful number, since it uses less digits than its factorization.

12290717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12290717 is about 3505.8118888497. The cubic root of 12290717 is about 230.7769377739.

Adding to 12290717 its reverse (71709221), we get a palindrome (83999938).

The spelling of 12290717 in words is "twelve million, two hundred ninety thousand, seven hundred seventeen".