11481838 has 4 divisors (see below), whose sum is σ = 17222760. Its totient is φ = 5740918.

The previous prime is 11481829. The next prime is 11481839. The reversal of 11481838 is 83818411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2870458 + ... + 2870461.

It is an arithmetic number, because the mean of its divisors is an integer number (4305690).

Almost surely, 2^11481838 is an apocalyptic number.

11481838 is a deficient number, since it is larger than the sum of its proper divisors (5740922).

11481838 is an equidigital number, since it uses as much as digits as its factorization.

11481838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740921.

The product of its digits is 6144, while the sum is 34.

The square root of 11481838 is about 3388.4860926378. The cubic root of 11481838 is about 225.5989834260.

The spelling of 11481838 in words is "eleven million, four hundred eighty-one thousand, eight hundred thirty-eight".