12978482 has 32 divisors (see below), whose sum is σ = 22766400. Its totient is φ = 5486400.

The previous prime is 12978467. The next prime is 12978487. The reversal of 12978482 is 28487921.

It is not an unprimeable number, because it can be changed into a prime (12978487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25244 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (711450).

Almost surely, 2^12978482 is an apocalyptic number.

12978482 is a deficient number, since it is larger than the sum of its proper divisors (9787918).

12978482 is a wasteful number, since it uses less digits than its factorization.

12978482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

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

The square root of 12978482 is about 3602.5660299292. The cubic root of 12978482 is about 235.0036637425.

It can be divided in two parts, 1297 and 8482, that added together give a palindrome (9779).

The spelling of 12978482 in words is "twelve million, nine hundred seventy-eight thousand, four hundred eighty-two".