12244978 has 16 divisors (see below), whose sum is σ = 19141920. Its totient is φ = 5869600.

The previous prime is 12244909. The next prime is 12244997. The reversal of 12244978 is 87944221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3573 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (1196370).

Almost surely, 2^12244978 is an apocalyptic number.

12244978 is a deficient number, since it is larger than the sum of its proper divisors (6896942).

12244978 is a wasteful number, since it uses less digits than its factorization.

12244978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633.

The product of its digits is 32256, while the sum is 37.

The square root of 12244978 is about 3499.2824978844. The cubic root of 12244978 is about 230.4903087855.

The spelling of 12244978 in words is "twelve million, two hundred forty-four thousand, nine hundred seventy-eight".