10728865 has 16 divisors (see below), whose sum is σ = 14775552. Its totient is φ = 7326144.

The previous prime is 10728857. The next prime is 10728877. The reversal of 10728865 is 56882701.

10728865 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10728865 - 2³ = 10728857 is a prime.

It is a Duffinian number.

10728865 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10612 + ... + 11578.

It is an arithmetic number, because the mean of its divisors is an integer number (923472).

Almost surely, 2^10728865 is an apocalyptic number.

It is an amenable number.

10728865 is a deficient number, since it is larger than the sum of its proper divisors (4046687).

10728865 is an equidigital number, since it uses as much as digits as its factorization.

10728865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 10728865 is about 3275.4946191377. The cubic root of 10728865 is about 220.5555175807. Note that the first 4 decimals are identical.

The spelling of 10728865 in words is "ten million, seven hundred twenty-eight thousand, eight hundred sixty-five".