12918430 has 32 divisors (see below), whose sum is σ = 26749440. Its totient is φ = 4400160.

The previous prime is 12918421. The next prime is 12918443. The reversal of 12918430 is 3481921.

It is a happy number.

It is a congruent number.

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, 12015 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (835920).

Almost surely, 2^12918430 is an apocalyptic number.

12918430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12918430 is an abundant number, since it is smaller than the sum of its proper divisors (13831010).

12918430 is a wasteful number, since it uses less digits than its factorization.

12918430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12918430 is about 3594.2217516453. The cubic root of 12918430 is about 234.6406458787.

The spelling of 12918430 in words is "twelve million, nine hundred eighteen thousand, four hundred thirty".