10709321 has 4 divisors (see below), whose sum is σ = 12239232. Its totient is φ = 9179412.

The previous prime is 10709311. The next prime is 10709327. The reversal of 10709321 is 12390701.

10709321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10709321 - 2²² = 6515017 is a prime.

It is a super-2 number, since 2×10709321² = 229379112562082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10709327) 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, 764945 + ... + 764958.

It is an arithmetic number, because the mean of its divisors is an integer number (3059808).

Almost surely, 2^10709321 is an apocalyptic number.

It is an amenable number.

10709321 is a deficient number, since it is larger than the sum of its proper divisors (1529911).

10709321 is an equidigital number, since it uses as much as digits as its factorization.

10709321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529910.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 10709321 is about 3272.5098930332. The cubic root of 10709321 is about 220.4215128161.

The spelling of 10709321 in words is "ten million, seven hundred nine thousand, three hundred twenty-one".