11493903 has 4 divisors (see below), whose sum is σ = 15325208. Its totient is φ = 7662600.

The previous prime is 11493883. The next prime is 11493913. The reversal of 11493903 is 30939411.

11493903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11493903 - 2⁵ = 11493871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493913) 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, 1915648 + ... + 1915653.

It is an arithmetic number, because the mean of its divisors is an integer number (3831302).

Almost surely, 2^11493903 is an apocalyptic number.

11493903 is a deficient number, since it is larger than the sum of its proper divisors (3831305).

11493903 is an equidigital number, since it uses as much as digits as its factorization.

11493903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831304.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 11493903 is about 3390.2659187739. The cubic root of 11493903 is about 225.6779748130.

The spelling of 11493903 in words is "eleven million, four hundred ninety-three thousand, nine hundred three".