11481347 has 4 divisors (see below), whose sum is σ = 11980560. Its totient is φ = 10982136.

The previous prime is 11481343. The next prime is 11481383. The reversal of 11481347 is 74318411.

11481347 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11481347 - 2² = 11481343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11481343) 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 3 ways as a sum of consecutive naturals, for example, 249572 + ... + 249617.

It is an arithmetic number, because the mean of its divisors is an integer number (2995140).

Almost surely, 2^11481347 is an apocalyptic number.

11481347 is a deficient number, since it is larger than the sum of its proper divisors (499213).

11481347 is an equidigital number, since it uses as much as digits as its factorization.

11481347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499212.

The product of its digits is 2688, while the sum is 29.

The square root of 11481347 is about 3388.4136406289. The cubic root of 11481347 is about 225.5957676029.

Adding to 11481347 its reverse (74318411), we get a palindrome (85799758).

The spelling of 11481347 in words is "eleven million, four hundred eighty-one thousand, three hundred forty-seven".