11330405 has 8 divisors (see below), whose sum is σ = 13615992. Its totient is φ = 9051328.

The previous prime is 11330369. The next prime is 11330411. The reversal of 11330405 is 50403311.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 11195716 = 367^2 + 3346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11330405 - 2²⁰ = 10281829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 3947 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (1701999).

Almost surely, 2^11330405 is an apocalyptic number.

It is an amenable number.

11330405 is a deficient number, since it is larger than the sum of its proper divisors (2285587).

11330405 is a wasteful number, since it uses less digits than its factorization.

11330405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 11330405 is about 3366.0666957147. The cubic root of 11330405 is about 224.6027888950.

Adding to 11330405 its reverse (50403311), we get a palindrome (61733716).

The spelling of 11330405 in words is "eleven million, three hundred thirty thousand, four hundred five".