12928814 has 8 divisors (see below), whose sum is σ = 19485768. Its totient is φ = 6433560.

The previous prime is 12928813. The next prime is 12928819. The reversal of 12928814 is 41882921.

12928814 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 zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928813) 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, 14897 + ... + 15740.

It is an arithmetic number, because the mean of its divisors is an integer number (2435721).

Almost surely, 2^12928814 is an apocalyptic number.

12928814 is a deficient number, since it is larger than the sum of its proper divisors (6556954).

12928814 is a wasteful number, since it uses less digits than its factorization.

12928814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30850.

The product of its digits is 9216, while the sum is 35.

The square root of 12928814 is about 3595.6660022866. Note that the first 3 decimals coincide. The cubic root of 12928814 is about 234.7034980965.

The spelling of 12928814 in words is "twelve million, nine hundred twenty-eight thousand, eight hundred fourteen".