11481236 has 12 divisors (see below), whose sum is σ = 21637812. Its totient is φ = 5299008.

The previous prime is 11481227. The next prime is 11481247. The reversal of 11481236 is 63218411.

It can be written as a sum of positive squares in 2 ways, for example, as 6728836 + 4752400 = 2594^2 + 2180^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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, 110345 + ... + 110448.

It is an arithmetic number, because the mean of its divisors is an integer number (1803151).

Almost surely, 2^11481236 is an apocalyptic number.

It is an amenable number.

11481236 is a deficient number, since it is larger than the sum of its proper divisors (10156576).

11481236 is a wasteful number, since it uses less digits than its factorization.

11481236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220810 (or 220808 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 11481236 is about 3388.3972612431. The cubic root of 11481236 is about 225.5950405915.

Adding to 11481236 its reverse (63218411), we get a palindrome (74699647).

The spelling of 11481236 in words is "eleven million, four hundred eighty-one thousand, two hundred thirty-six".