10926721 has 8 divisors (see below), whose sum is σ = 11793320. Its totient is φ = 10063872.

The previous prime is 10926677. The next prime is 10926739. The reversal of 10926721 is 12762901.

It is a happy number.

10926721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 8643600 = 1511^2 + 2940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10926721 - 2⁷ = 10926593 is a prime.

It is a super-3 number, since 3×10926721³ (a number of 22 digits) contains 333 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 10926721.

It is not an unprimeable number, because it can be changed into a prime (10926791) 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 7 ways as a sum of consecutive naturals, for example, 9451 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (1474165).

Almost surely, 2^10926721 is an apocalyptic number.

It is an amenable number.

10926721 is a deficient number, since it is larger than the sum of its proper divisors (866599).

10926721 is a wasteful number, since it uses less digits than its factorization.

10926721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10926721 is about 3305.5591055070. The cubic root of 10926721 is about 221.9030567178.

The spelling of 10926721 in words is "ten million, nine hundred twenty-six thousand, seven hundred twenty-one".