11830405 has 16 divisors (see below), whose sum is σ = 14878080. Its totient is φ = 9018688.

The previous prime is 11830387. The next prime is 11830409. The reversal of 11830405 is 50403811.

It is a cyclic number.

It is not a de Polignac number, because 11830405 - 2⁷ = 11830277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830409) 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, 11544 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 2^11830405 is an apocalyptic number.

It is an amenable number.

11830405 is a deficient number, since it is larger than the sum of its proper divisors (3047675).

11830405 is an equidigital number, since it uses as much as digits as its factorization.

11830405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11830405 is about 3439.5355791153. The cubic root of 11830405 is about 227.8591838491.

The spelling of 11830405 in words is "eleven million, eight hundred thirty thousand, four hundred five".