12978348 has 48 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 4062784.

The previous prime is 12978337. The next prime is 12978373. The reversal of 12978348 is 84387921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15886 + ... + 16682.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^12978348 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 12978348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087680).

12978348 is an abundant number, since it is smaller than the sum of its proper divisors (19197012).

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

12978348 is a wasteful number, since it uses less digits than its factorization.

12978348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 884 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 12978348 is about 3602.5474320264. The cubic root of 12978348 is about 235.0028549525.

The spelling of 12978348 in words is "twelve million, nine hundred seventy-eight thousand, three hundred forty-eight".