12824978 has 8 divisors (see below), whose sum is σ = 19252668. Its totient is φ = 6407424.

The previous prime is 12824971. The next prime is 12824983. The reversal of 12824978 is 87942821.

It can be written as a sum of positive squares in 2 ways, for example, as 12411529 + 413449 = 3523^2 + 643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12824971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650 + ... + 6242.

Almost surely, 2^12824978 is an apocalyptic number.

12824978 is a deficient number, since it is larger than the sum of its proper divisors (6427690).

12824978 is a wasteful number, since it uses less digits than its factorization.

12824978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068.

The product of its digits is 64512, while the sum is 41.

The square root of 12824978 is about 3581.1978442974. The cubic root of 12824978 is about 234.0734787628.

The spelling of 12824978 in words is "twelve million, eight hundred twenty-four thousand, nine hundred seventy-eight".