10582721 has 4 divisors (see below), whose sum is σ = 11205252. Its totient is φ = 9960192.

The previous prime is 10582699. The next prime is 10582751. The reversal of 10582721 is 12728501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12728501 = 317 ⋅40153.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 5013121 = 2360^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 10582721 - 2⁶ = 10582657 is a prime.

It is a super-2 number, since 2×10582721² = 223987967527682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10582751) 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 3 ways as a sum of consecutive naturals, for example, 311240 + ... + 311273.

It is an arithmetic number, because the mean of its divisors is an integer number (2801313).

Almost surely, 2^10582721 is an apocalyptic number.

It is an amenable number.

10582721 is a deficient number, since it is larger than the sum of its proper divisors (622531).

10582721 is an equidigital number, since it uses as much as digits as its factorization.

10582721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622530.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 10582721 is about 3253.1094356016. The cubic root of 10582721 is about 219.5494982315.

The spelling of 10582721 in words is "ten million, five hundred eighty-two thousand, seven hundred twenty-one".