12345404417 has 8 divisors (see below), whose sum is σ = 12605876616. Its totient is φ = 12087401472.

The previous prime is 12345404411. The next prime is 12345404431. The reversal of 12345404417 is 71440454321.

It can be written as a sum of positive squares in 4 ways, for example, as 778186816 + 11567217601 = 27896^2 + 107551^2 .

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 12345404417 - 2¹⁰ = 12345403393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345404411) 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, 607208 + ... + 627209.

It is an arithmetic number, because the mean of its divisors is an integer number (1575734577).

Almost surely, 2^12345404417 is an apocalyptic number.

It is an amenable number.

12345404417 is a deficient number, since it is larger than the sum of its proper divisors (260472199).

12345404417 is a wasteful number, since it uses less digits than its factorization.

12345404417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234627.

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 12345404417 its reverse (71440454321), we get a palindrome (83785858738).

The spelling of 12345404417 in words is "twelve billion, three hundred forty-five million, four hundred four thousand, four hundred seventeen".