12930420 has 24 divisors (see below), whose sum is σ = 36205344. Its totient is φ = 3448096.

The previous prime is 12930419. The next prime is 12930443. The reversal of 12930420 is 2403921.

12930420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12930420² = 334391522752800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107694 + ... + 107813.

It is an arithmetic number, because the mean of its divisors is an integer number (1508556).

Almost surely, 2^12930420 is an apocalyptic number.

12930420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12930420 is an abundant number, since it is smaller than the sum of its proper divisors (23274924).

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

12930420 is a wasteful number, since it uses less digits than its factorization.

12930420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215519 (or 215517 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12930420 is about 3595.8893197650. The cubic root of 12930420 is about 234.7132158791.

The spelling of 12930420 in words is "twelve million, nine hundred thirty thousand, four hundred twenty".