10983721 has 16 divisors (see below), whose sum is σ = 13213440. Its totient is φ = 8930880.

The previous prime is 10983697. The next prime is 10983727. The reversal of 10983721 is 12738901.

10983721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10983721 - 2⁷ = 10983593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10983727) 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, 11940 + ... + 12826.

It is an arithmetic number, because the mean of its divisors is an integer number (825840).

Almost surely, 2^10983721 is an apocalyptic number.

It is an amenable number.

10983721 is a deficient number, since it is larger than the sum of its proper divisors (2229719).

10983721 is an equidigital number, since it uses as much as digits as its factorization.

10983721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 10983721 is about 3314.1697301134. The cubic root of 10983721 is about 222.2882452805.

The spelling of 10983721 in words is "ten million, nine hundred eighty-three thousand, seven hundred twenty-one".