11447393 has 8 divisors (see below), whose sum is σ = 11799912. Its totient is φ = 11097216.

The previous prime is 11447389. The next prime is 11447407. The reversal of 11447393 is 39374411.

11447393 is digitally balanced in base 2, 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 9778129 + 1669264 = 3127^2 + 1292^2 .

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 11447393 - 2² = 11447389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11447333) 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, 16571 + ... + 17247.

It is an arithmetic number, because the mean of its divisors is an integer number (1474989).

Almost surely, 2^11447393 is an apocalyptic number.

It is an amenable number.

11447393 is a deficient number, since it is larger than the sum of its proper divisors (352519).

11447393 is an equidigital number, since it uses as much as digits as its factorization.

11447393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its digits is 9072, while the sum is 32.

The square root of 11447393 is about 3383.3996216823. The cubic root of 11447393 is about 225.3731618400.

The spelling of 11447393 in words is "eleven million, four hundred forty-seven thousand, three hundred ninety-three".