12268779 has 8 divisors (see below), whose sum is σ = 16565760. Its totient is φ = 8075496.

The previous prime is 12268771. The next prime is 12268783. The reversal of 12268779 is 97786221.

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

It is not a de Polignac number, because 12268779 - 2³ = 12268771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12268779.

It is not an unprimeable number, because it can be changed into a prime (12268771) 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, 25647 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (2070720).

Almost surely, 2^12268779 is an apocalyptic number.

12268779 is a deficient number, since it is larger than the sum of its proper divisors (4296981).

12268779 is an equidigital number, since it uses as much as digits as its factorization.

12268779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51849.

The product of its digits is 84672, while the sum is 42.

The square root of 12268779 is about 3502.6816869365. The cubic root of 12268779 is about 230.6395495407.

The spelling of 12268779 in words is "twelve million, two hundred sixty-eight thousand, seven hundred seventy-nine".