12668079 has 8 divisors (see below), whose sum is σ = 17779840. Its totient is φ = 8000856.

The previous prime is 12668059. The next prime is 12668081. The reversal of 12668079 is 97086621.

12668079 is digitally balanced in base 2, because in such base 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 12668079 - 2⁷ = 12667951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668039) 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, 111067 + ... + 111180.

It is an arithmetic number, because the mean of its divisors is an integer number (2222480).

Almost surely, 2^12668079 is an apocalyptic number.

12668079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12668079 is a deficient number, since it is larger than the sum of its proper divisors (5111761).

12668079 is a wasteful number, since it uses less digits than its factorization.

12668079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222269.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 12668079 is about 3559.2244941841. The cubic root of 12668079 is about 233.1150187036.

The spelling of 12668079 in words is "twelve million, six hundred sixty-eight thousand, seventy-nine".