11481894 has 12 divisors (see below), whose sum is σ = 24877476. Its totient is φ = 3827292.

The previous prime is 11481893. The next prime is 11481901. The reversal of 11481894 is 49818411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481893) 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 5 ways as a sum of consecutive naturals, for example, 318924 + ... + 318959.

It is an arithmetic number, because the mean of its divisors is an integer number (2073123).

Almost surely, 2^11481894 is an apocalyptic number.

11481894 is an abundant number, since it is smaller than the sum of its proper divisors (13395582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11481894 is a wasteful number, since it uses less digits than its factorization.

11481894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637891 (or 637888 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 11481894 is about 3388.4943559050. The cubic root of 11481894 is about 225.5993501943.

The spelling of 11481894 in words is "eleven million, four hundred eighty-one thousand, eight hundred ninety-four".