10872321 has 4 divisors (see below), whose sum is σ = 14496432. Its totient is φ = 7248212.

The previous prime is 10872317. The next prime is 10872331. The reversal of 10872321 is 12327801.

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 10872321 - 2² = 10872317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10872291 and 10872300.

It is not an unprimeable number, because it can be changed into a prime (10872331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812051 + ... + 1812056.

It is an arithmetic number, because the mean of its divisors is an integer number (3624108).

Almost surely, 2^10872321 is an apocalyptic number.

It is an amenable number.

10872321 is a deficient number, since it is larger than the sum of its proper divisors (3624111).

10872321 is an equidigital number, since it uses as much as digits as its factorization.

10872321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624110.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 10872321 is about 3297.3202756178. The cubic root of 10872321 is about 221.5341868295.

The spelling of 10872321 in words is "ten million, eight hundred seventy-two thousand, three hundred twenty-one".