12930418 has 8 divisors (see below), whose sum is σ = 19448748. Its totient is φ = 6447504.

The previous prime is 12930413. The next prime is 12930419. The reversal of 12930418 is 81403921.

It is a happy number.

12930418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 840889 = 3477^2 + 917^2 .

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 (12930413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7921 + ... + 9412.

Almost surely, 2^12930418 is an apocalyptic number.

12930418 is a deficient number, since it is larger than the sum of its proper divisors (6518330).

12930418 is a wasteful number, since it uses less digits than its factorization.

12930418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17708.

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

The square root of 12930418 is about 3595.8890416697. The cubic root of 12930418 is about 234.7132037777.

The spelling of 12930418 in words is "twelve million, nine hundred thirty thousand, four hundred eighteen".