11035721 has 8 divisors (see below), whose sum is σ = 11437824. Its totient is φ = 10636560.

The previous prime is 11035711. The next prime is 11035723. The reversal of 11035721 is 12753011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11035721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11035693 and 11035702.

It is not an unprimeable number, because it can be changed into a prime (11035723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9266 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (1429728).

Almost surely, 2^11035721 is an apocalyptic number.

It is an amenable number.

11035721 is a deficient number, since it is larger than the sum of its proper divisors (402103).

11035721 is a wasteful number, since it uses less digits than its factorization.

11035721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11035721 is about 3322.0055689297. The cubic root of 11035721 is about 222.6384846763.

Adding to 11035721 its reverse (12753011), we get a palindrome (23788732).

The spelling of 11035721 in words is "eleven million, thirty-five thousand, seven hundred twenty-one".