11247321 has 8 divisors (see below), whose sum is σ = 15073344. Its totient is φ = 7459760.

The previous prime is 11247307. The next prime is 11247343. The reversal of 11247321 is 12374211.

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-11247321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11247361) 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, 8925 + ... + 10106.

It is an arithmetic number, because the mean of its divisors is an integer number (1884168).

Almost surely, 2^11247321 is an apocalyptic number.

It is an amenable number.

11247321 is a deficient number, since it is larger than the sum of its proper divisors (3826023).

11247321 is a wasteful number, since it uses less digits than its factorization.

11247321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231.

The product of its digits is 336, while the sum is 21.

The square root of 11247321 is about 3353.7025807307. The cubic root of 11247321 is about 224.0524497183.

The spelling of 11247321 in words is "eleven million, two hundred forty-seven thousand, three hundred twenty-one".