10939971 has 16 divisors (see below), whose sum is σ = 16720128. Its totient is φ = 6232800.

The previous prime is 10939967. The next prime is 10939979. The reversal of 10939971 is 17993901.

10939971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10939971 - 2² = 10939967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10939979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9781 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (1045008).

Almost surely, 2^10939971 is an apocalyptic number.

10939971 is a deficient number, since it is larger than the sum of its proper divisors (5780157).

10939971 is a wasteful number, since it uses less digits than its factorization.

10939971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 10939971 is about 3307.5626978184. The cubic root of 10939971 is about 221.9927154496.

The spelling of 10939971 in words is "ten million, nine hundred thirty-nine thousand, nine hundred seventy-one".