10669321 has 8 divisors (see below), whose sum is σ = 11609864. Its totient is φ = 9745920.

The previous prime is 10669313. The next prime is 10669333. The reversal of 10669321 is 12396601.

It can be written as a sum of positive squares in 4 ways, for example, as 1299600 + 9369721 = 1140^2 + 3061^2 .

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 10669321 - 2³ = 10669313 is a prime.

It is a super-2 number, since 2×10669321² = 227668821202082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10669321.

It is not an unprimeable number, because it can be changed into a prime (10669381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (1451233).

Almost surely, 2^10669321 is an apocalyptic number.

It is an amenable number.

10669321 is a deficient number, since it is larger than the sum of its proper divisors (940543).

10669321 is an equidigital number, since it uses as much as digits as its factorization.

10669321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10669321 is about 3266.3926585761. The cubic root of 10669321 is about 220.1467409444.

The spelling of 10669321 in words is "ten million, six hundred sixty-nine thousand, three hundred twenty-one".