12779042 has 8 divisors (see below), whose sum is σ = 19530396. Its totient is φ = 6268912.

The previous prime is 12779029. The next prime is 12779047. The reversal of 12779042 is 24097721.

12779042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10621081 + 2157961 = 3259^2 + 1469^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12779047) 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, 60173 + ... + 60384.

Almost surely, 2^12779042 is an apocalyptic number.

12779042 is a deficient number, since it is larger than the sum of its proper divisors (6751354).

12779042 is a wasteful number, since it uses less digits than its factorization.

12779042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120612.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12779042 is about 3574.7785945426. The cubic root of 12779042 is about 233.7936793892.

The spelling of 12779042 in words is "twelve million, seven hundred seventy-nine thousand, forty-two".