11703221 has 8 divisors (see below), whose sum is σ = 12434400. Its totient is φ = 10983600.

The previous prime is 11703203. The next prime is 11703227. The reversal of 11703221 is 12230711.

11703221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-11703221 is a prime.

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 11703221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11703227) 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 7 ways as a sum of consecutive naturals, for example, 755 + ... + 4896.

It is an arithmetic number, because the mean of its divisors is an integer number (1554300).

Almost surely, 2^11703221 is an apocalyptic number.

It is an amenable number.

11703221 is a deficient number, since it is larger than the sum of its proper divisors (731179).

11703221 is a wasteful number, since it uses less digits than its factorization.

11703221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11703221 is about 3420.9970768769. The cubic root of 11703221 is about 227.0396988536.

Adding to 11703221 its reverse (12230711), we get a palindrome (23933932).

The spelling of 11703221 in words is "eleven million, seven hundred three thousand, two hundred twenty-one".