11871903 has 8 divisors (see below), whose sum is σ = 16662400. Its totient is φ = 7498008.

The previous prime is 11871829. The next prime is 11871907. The reversal of 11871903 is 30917811.

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

It is not a de Polignac number, because 11871903 - 2⁸ = 11871647 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 (11871907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104083 + ... + 104196.

It is an arithmetic number, because the mean of its divisors is an integer number (2082800).

Almost surely, 2^11871903 is an apocalyptic number.

11871903 is a deficient number, since it is larger than the sum of its proper divisors (4790497).

11871903 is a wasteful number, since it uses less digits than its factorization.

11871903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208301.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11871903 is about 3445.5627987311. The cubic root of 11871903 is about 228.1252966281.

The spelling of 11871903 in words is "eleven million, eight hundred seventy-one thousand, nine hundred three".