12478683 has 32 divisors (see below), whose sum is σ = 19801600. Its totient is φ = 6985440.

The previous prime is 12478681. The next prime is 12478699. The reversal of 12478683 is 38687421.

It is not a de Polignac number, because 12478683 - 2¹ = 12478681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12478681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68853 + ... + 69033.

It is an arithmetic number, because the mean of its divisors is an integer number (618800).

Almost surely, 2^12478683 is an apocalyptic number.

12478683 is a deficient number, since it is larger than the sum of its proper divisors (7322917).

12478683 is an equidigital number, since it uses as much as digits as its factorization.

12478683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 258 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 12478683 is about 3532.5179405065. The cubic root of 12478683 is about 231.9474402833.

The spelling of 12478683 in words is "twelve million, four hundred seventy-eight thousand, six hundred eighty-three".