12789417 has 8 divisors (see below), whose sum is σ = 17468640. Its totient is φ = 8318240.

The previous prime is 12789409. The next prime is 12789419. The reversal of 12789417 is 71498721.

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 12789417 - 2³ = 12789409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12789419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51867 + ... + 52112.

It is an arithmetic number, because the mean of its divisors is an integer number (2183580).

Almost surely, 2^12789417 is an apocalyptic number.

It is an amenable number.

12789417 is a deficient number, since it is larger than the sum of its proper divisors (4679223).

12789417 is a wasteful number, since it uses less digits than its factorization.

12789417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104023.

The product of its digits is 28224, while the sum is 39.

The square root of 12789417 is about 3576.2294389482. The cubic root of 12789417 is about 233.8569327820.

The spelling of 12789417 in words is "twelve million, seven hundred eighty-nine thousand, four hundred seventeen".