12779008 has 40 divisors (see below), whose sum is σ = 27866520. Its totient is φ = 5806080.

The previous prime is 12778999. The next prime is 12779017. The reversal of 12779008 is 80097721.

It is an interprime number because it is at equal distance from previous prime (12778999) and next prime (12779017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4498 + ... + 6766.

It is an arithmetic number, because the mean of its divisors is an integer number (696663).

Almost surely, 2^12779008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12779008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13933260).

12779008 is an abundant number, since it is smaller than the sum of its proper divisors (15087512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12779008 is an equidigital number, since it uses as much as digits as its factorization.

12779008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 12779008 is about 3574.7738390002. The cubic root of 12779008 is about 233.7934720447.

The spelling of 12779008 in words is "twelve million, seven hundred seventy-nine thousand, eight".