12078979 has 8 divisors (see below), whose sum is σ = 13750272. Its totient is φ = 10503240.

The previous prime is 12078971. The next prime is 12079007. The reversal of 12078979 is 97987021.

It is a happy number.

12078979 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12078979 - 2³ = 12078971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12078971) 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, 23619 + ... + 24124.

It is an arithmetic number, because the mean of its divisors is an integer number (1718784).

Almost surely, 2^12078979 is an apocalyptic number.

12078979 is a deficient number, since it is larger than the sum of its proper divisors (1671293).

12078979 is a wasteful number, since it uses less digits than its factorization.

12078979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47777.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 12078979 is about 3475.4825564229. The cubic root of 12078979 is about 229.4440194261. Note that the first 3 decimals are identical.

The spelling of 12078979 in words is "twelve million, seventy-eight thousand, nine hundred seventy-nine".