12478914 has 32 divisors (see below), whose sum is σ = 31693440. Its totient is φ = 3565296.

The previous prime is 12478909. The next prime is 12478933. The reversal of 12478914 is 41987421.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16129 + ... + 16884.

It is an arithmetic number, because the mean of its divisors is an integer number (990420).

Almost surely, 2^12478914 is an apocalyptic number.

12478914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12478914 is an abundant number, since it is smaller than the sum of its proper divisors (19214526).

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

12478914 is a wasteful number, since it uses less digits than its factorization.

12478914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33031 (or 33025 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12478914 is about 3532.5506365798. The cubic root of 12478914 is about 231.9488715115.

The spelling of 12478914 in words is "twelve million, four hundred seventy-eight thousand, nine hundred fourteen".