12928430 has 8 divisors (see below), whose sum is σ = 23271192. Its totient is φ = 5171368.

The previous prime is 12928427. The next prime is 12928439. The reversal of 12928430 is 3482921.

12928430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12928393 and 12928402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928439) 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, 646412 + ... + 646431.

It is an arithmetic number, because the mean of its divisors is an integer number (2908899).

Almost surely, 2^12928430 is an apocalyptic number.

12928430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12928430 is a deficient number, since it is larger than the sum of its proper divisors (10342762).

12928430 is a wasteful number, since it uses less digits than its factorization.

12928430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292850.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12928430 is about 3595.6126042720. The cubic root of 12928430 is about 234.7011744228.

The spelling of 12928430 in words is "twelve million, nine hundred twenty-eight thousand, four hundred thirty".