11864203 has 4 divisors (see below), whose sum is σ = 12776848. Its totient is φ = 10951560.

The previous prime is 11864197. The next prime is 11864207. The reversal of 11864203 is 30246811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11864203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11864207) 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, 456303 + ... + 456328.

It is an arithmetic number, because the mean of its divisors is an integer number (3194212).

Almost surely, 2^11864203 is an apocalyptic number.

11864203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11864203 is a deficient number, since it is larger than the sum of its proper divisors (912645).

11864203 is an equidigital number, since it uses as much as digits as its factorization.

11864203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912644.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11864203 is about 3444.4452383512. The cubic root of 11864203 is about 228.0759660172.

The spelling of 11864203 in words is "eleven million, eight hundred sixty-four thousand, two hundred three".