11380443 has 4 divisors (see below), whose sum is σ = 15173928. Its totient is φ = 7586960.

The previous prime is 11380433. The next prime is 11380477. The reversal of 11380443 is 34408311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11380443 - 2¹⁰ = 11379419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11380403) 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, 1896738 + ... + 1896743.

It is an arithmetic number, because the mean of its divisors is an integer number (3793482).

Almost surely, 2^11380443 is an apocalyptic number.

11380443 is a deficient number, since it is larger than the sum of its proper divisors (3793485).

11380443 is an equidigital number, since it uses as much as digits as its factorization.

11380443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793484.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 11380443 is about 3373.4912183078. The cubic root of 11380443 is about 224.9329380386.

Adding to 11380443 its reverse (34408311), we get a palindrome (45788754).

The spelling of 11380443 in words is "eleven million, three hundred eighty thousand, four hundred forty-three".