11058721 has 8 divisors (see below), whose sum is σ = 11768544. Its totient is φ = 10355520.

The previous prime is 11058689. The next prime is 11058727. The reversal of 11058721 is 12785011.

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 11058721 - 2⁵ = 11058689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11058727) 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, 2046 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1471068).

Almost surely, 2^11058721 is an apocalyptic number.

It is an amenable number.

11058721 is a deficient number, since it is larger than the sum of its proper divisors (709823).

11058721 is a wasteful number, since it uses less digits than its factorization.

11058721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11058721 is about 3325.4655313204. The cubic root of 11058721 is about 222.7930473567.

The spelling of 11058721 in words is "eleven million, fifty-eight thousand, seven hundred twenty-one".