12294978 has 16 divisors (see below), whose sum is σ = 26036640. Its totient is φ = 3857216.

The previous prime is 12294929. The next prime is 12294979. The reversal of 12294978 is 87949221.

It is not an unprimeable number, because it can be changed into a prime (12294979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60168 + ... + 60371.

It is an arithmetic number, because the mean of its divisors is an integer number (1627290).

Almost surely, 2^12294978 is an apocalyptic number.

12294978 is an abundant number, since it is smaller than the sum of its proper divisors (13741662).

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

12294978 is a wasteful number, since it uses less digits than its factorization.

12294978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120561.

The product of its digits is 72576, while the sum is 42.

The square root of 12294978 is about 3506.4195413555. The cubic root of 12294978 is about 230.8036036150.

The spelling of 12294978 in words is "twelve million, two hundred ninety-four thousand, nine hundred seventy-eight".