11440605 has 16 divisors (see below), whose sum is σ = 19969344. Its totient is φ = 5546880.

The previous prime is 11440601. The next prime is 11440607. The reversal of 11440605 is 50604411.

It is not a de Polignac number, because 11440605 - 2² = 11440601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34504 + ... + 34833.

It is an arithmetic number, because the mean of its divisors is an integer number (1248084).

Almost surely, 2^11440605 is an apocalyptic number.

11440605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11440605 is a deficient number, since it is larger than the sum of its proper divisors (8528739).

11440605 is a wasteful number, since it uses less digits than its factorization.

11440605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69356.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11440605 is about 3382.3963398750. The cubic root of 11440605 is about 225.3286062658.

The spelling of 11440605 in words is "eleven million, four hundred forty thousand, six hundred five".