11868403 has 4 divisors (see below), whose sum is σ = 11882728. Its totient is φ = 11854080.

The previous prime is 11868377. The next prime is 11868427. The reversal of 11868403 is 30486811.

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 11868403 - 2⁵ = 11868371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11868433) 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, 5838 + ... + 7603.

It is an arithmetic number, because the mean of its divisors is an integer number (2970682).

Almost surely, 2^11868403 is an apocalyptic number.

11868403 is a deficient number, since it is larger than the sum of its proper divisors (14325).

11868403 is an equidigital number, since it uses as much as digits as its factorization.

11868403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14324.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 11868403 is about 3445.0548616822. The cubic root of 11868403 is about 228.1028762682.

The spelling of 11868403 in words is "eleven million, eight hundred sixty-eight thousand, four hundred three".