12930394 has 4 divisors (see below), whose sum is σ = 19395594. Its totient is φ = 6465196.

The previous prime is 12930389. The next prime is 12930403. The reversal of 12930394 is 49303921.

12930394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49303921 = 61 ⋅808261.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 149769 = 3575^2 + 387^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232597 + ... + 3232600.

Almost surely, 2^12930394 is an apocalyptic number.

12930394 is a deficient number, since it is larger than the sum of its proper divisors (6465200).

12930394 is an equidigital number, since it uses as much as digits as its factorization.

12930394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465199.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 12930394 is about 3595.8857045240. The cubic root of 12930394 is about 234.7130585615.

The spelling of 12930394 in words is "twelve million, nine hundred thirty thousand, three hundred ninety-four".