11801203 has 4 divisors (see below), whose sum is σ = 11812608. Its totient is φ = 11789800.

The previous prime is 11801201. The next prime is 11801227. The reversal of 11801203 is 30210811.

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 11801203 - 2¹ = 11801201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11801201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3976 + ... + 6277.

It is an arithmetic number, because the mean of its divisors is an integer number (2953152).

Almost surely, 2^11801203 is an apocalyptic number.

11801203 is a deficient number, since it is larger than the sum of its proper divisors (11405).

11801203 is a wasteful number, since it uses less digits than its factorization.

11801203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11801203 is about 3435.2879064207. The cubic root of 11801203 is about 227.6715479442.

The spelling of 11801203 in words is "eleven million, eight hundred one thousand, two hundred three".