11681446 has 16 divisors (see below), whose sum is σ = 20070144. Its totient is φ = 4995144.

The previous prime is 11681443. The next prime is 11681459. The reversal of 11681446 is 64418611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681443) 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 7 ways as a sum of consecutive naturals, for example, 9841 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (1254384).

Almost surely, 2^11681446 is an apocalyptic number.

11681446 is a deficient number, since it is larger than the sum of its proper divisors (8388698).

11681446 is a wasteful number, since it uses less digits than its factorization.

11681446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875.

The product of its digits is 4608, while the sum is 31.

The square root of 11681446 is about 3417.8130434534. The cubic root of 11681446 is about 226.8988014957.

The spelling of 11681446 in words is "eleven million, six hundred eighty-one thousand, four hundred forty-six".