10728605 has 4 divisors (see below), whose sum is σ = 12874332. Its totient is φ = 8582880.

The previous prime is 10728589. The next prime is 10728611. The reversal of 10728605 is 50682701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50682701 = 853 ⋅59417.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 9498724 = 1109^2 + 3082^2 .

It is not a de Polignac number, because 10728605 - 2⁴ = 10728589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072856 + ... + 1072865.

It is an arithmetic number, because the mean of its divisors is an integer number (3218583).

Almost surely, 2^10728605 is an apocalyptic number.

It is an amenable number.

10728605 is a deficient number, since it is larger than the sum of its proper divisors (2145727).

10728605 is an equidigital number, since it uses as much as digits as its factorization.

10728605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145726.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 10728605 is about 3275.4549302349. The cubic root of 10728605 is about 220.5537359415.

The spelling of 10728605 in words is "ten million, seven hundred twenty-eight thousand, six hundred five".