11643044 has 12 divisors (see below), whose sum is σ = 23286144. Its totient is φ = 4989864.

The previous prime is 11643041. The next prime is 11643089. The reversal of 11643044 is 44034611.

11643044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11643041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207884 + ... + 207939.

It is an arithmetic number, because the mean of its divisors is an integer number (1940512).

Almost surely, 2^11643044 is an apocalyptic number.

11643044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11643044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11643044 is a wasteful number, since it uses less digits than its factorization.

11643044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415834 (or 415832 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 11643044 is about 3412.1904987852. The cubic root of 11643044 is about 226.6498901463.

Adding to 11643044 its reverse (44034611), we get a palindrome (55677655).

The spelling of 11643044 in words is "eleven million, six hundred forty-three thousand, forty-four".