11240403 has 4 divisors (see below), whose sum is σ = 14987208. Its totient is φ = 7493600.

The previous prime is 11240401. The next prime is 11240423. The reversal of 11240403 is 30404211.

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 11240403 - 2¹ = 11240401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11240401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1873398 + ... + 1873403.

It is an arithmetic number, because the mean of its divisors is an integer number (3746802).

Almost surely, 2^11240403 is an apocalyptic number.

11240403 is a deficient number, since it is larger than the sum of its proper divisors (3746805).

11240403 is an equidigital number, since it uses as much as digits as its factorization.

11240403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746804.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 11240403 is about 3352.6710247204. The cubic root of 11240403 is about 224.0065035846.

Adding to 11240403 its reverse (30404211), we get a palindrome (41644614).

The spelling of 11240403 in words is "eleven million, two hundred forty thousand, four hundred three".