11405044 has 18 divisors (see below), whose sum is σ = 23217810. Its totient is φ = 4887792.

The previous prime is 11405041. The next prime is 11405047. The reversal of 11405044 is 44050411.

11405044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11405041) and next prime (11405047).

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 3952144 = 2730^2 + 1988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28899 + ... + 29290.

Almost surely, 2^11405044 is an apocalyptic number.

11405044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11405044 is an abundant number, since it is smaller than the sum of its proper divisors (11812766).

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

11405044 is a wasteful number, since it uses less digits than its factorization.

11405044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58207 (or 58198 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 11405044 is about 3377.1354725566. The cubic root of 11405044 is about 225.0948998855.

Adding to 11405044 its reverse (44050411), we get a palindrome (55455455).

The spelling of 11405044 in words is "eleven million, four hundred five thousand, forty-four".