11481286 has 4 divisors (see below), whose sum is σ = 17221932. Its totient is φ = 5740642.

The previous prime is 11481269. The next prime is 11481289. The reversal of 11481286 is 68218411.

11481286 is digitally balanced in base 2, 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 Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2870320 + ... + 2870323.

It is an arithmetic number, because the mean of its divisors is an integer number (4305483).

Almost surely, 2^11481286 is an apocalyptic number.

11481286 is a deficient number, since it is larger than the sum of its proper divisors (5740646).

11481286 is an equidigital number, since it uses as much as digits as its factorization.

11481286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740645.

The product of its digits is 3072, while the sum is 31.

The square root of 11481286 is about 3388.4046393546. The cubic root of 11481286 is about 225.5953680747.

Adding to 11481286 its reverse (68218411), we get a palindrome (79699697).

The spelling of 11481286 in words is "eleven million, four hundred eighty-one thousand, two hundred eighty-six".