10728281 has 8 divisors (see below), whose sum is σ = 11269824. Its totient is φ = 10193040.

The previous prime is 10728271. The next prime is 10728283. The reversal of 10728281 is 18282701.

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

It is a cyclic number.

It is not a de Polignac number, because 10728281 - 2¹⁰ = 10727257 is a prime.

It is a super-2 number, since 2×10728281² = 230192026429922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10728283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (1408728).

Almost surely, 2^10728281 is an apocalyptic number.

It is an amenable number.

10728281 is a deficient number, since it is larger than the sum of its proper divisors (541543).

10728281 is a wasteful number, since it uses less digits than its factorization.

10728281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 10728281 is about 3275.4054710829. The cubic root of 10728281 is about 220.5515157047.

The spelling of 10728281 in words is "ten million, seven hundred twenty-eight thousand, two hundred eighty-one".