10589721 has 16 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 6865040.

The previous prime is 10589699. The next prime is 10589731. The reversal of 10589721 is 12798501.

It is a cyclic number.

It is not a de Polignac number, because 10589721 - 2⁹ = 10589209 is a prime.

It is a super-2 number, since 2×10589721² = 224284381715682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10589731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17380 + ... + 17978.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^10589721 is an apocalyptic number.

It is an amenable number.

10589721 is a deficient number, since it is larger than the sum of its proper divisors (3925479).

10589721 is an equidigital number, since it uses as much as digits as its factorization.

10589721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 10589721 is about 3254.1851514627. The cubic root of 10589721 is about 219.5978949769.

The spelling of 10589721 in words is "ten million, five hundred eighty-nine thousand, seven hundred twenty-one".