11853903 has 4 divisors (see below), whose sum is σ = 15805208. Its totient is φ = 7902600.

The previous prime is 11853899. The next prime is 11853931. The reversal of 11853903 is 30935811.

It is a happy number.

11853903 is digitally balanced in base 2, 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 11853903 - 2² = 11853899 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 (11853943) 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, 1975648 + ... + 1975653.

It is an arithmetic number, because the mean of its divisors is an integer number (3951302).

Almost surely, 2^11853903 is an apocalyptic number.

11853903 is a deficient number, since it is larger than the sum of its proper divisors (3951305).

11853903 is an equidigital number, since it uses as much as digits as its factorization.

11853903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951304.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 11853903 is about 3442.9497527556. The cubic root of 11853903 is about 228.0099449340.

The spelling of 11853903 in words is "eleven million, eight hundred fifty-three thousand, nine hundred three".