12416779 has 4 divisors (see below), whose sum is σ = 12526776. Its totient is φ = 12306784.

The previous prime is 12416777. The next prime is 12416791. The reversal of 12416779 is 97761421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12416779 - 2¹ = 12416777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12416773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54829 + ... + 55054.

It is an arithmetic number, because the mean of its divisors is an integer number (3131694).

Almost surely, 2^12416779 is an apocalyptic number.

12416779 is a deficient number, since it is larger than the sum of its proper divisors (109997).

12416779 is a wasteful number, since it uses less digits than its factorization.

12416779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109996.

The product of its digits is 21168, while the sum is 37.

The square root of 12416779 is about 3523.7450248280. The cubic root of 12416779 is about 231.5632575649.

The spelling of 12416779 in words is "twelve million, four hundred sixteen thousand, seven hundred seventy-nine".