12928716 has 36 divisors (see below), whose sum is σ = 32864832. Its totient is φ = 4285344.

The previous prime is 12928711. The next prime is 12928717. The reversal of 12928716 is 61782921.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12928711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6181 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (912912).

Almost surely, 2^12928716 is an apocalyptic number.

It is an amenable number.

12928716 is an abundant number, since it is smaller than the sum of its proper divisors (19936116).

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

12928716 is a wasteful number, since it uses less digits than its factorization.

12928716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2025 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 12928716 is about 3595.6523747437. The cubic root of 12928716 is about 234.7029050800.

The spelling of 12928716 in words is "twelve million, nine hundred twenty-eight thousand, seven hundred sixteen".