11968403 has 4 divisors (see below), whose sum is σ = 12018720. Its totient is φ = 11918088.

The previous prime is 11968393. The next prime is 11968417. The reversal of 11968403 is 30486911.

It is a happy number.

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 11968403 - 2¹⁰ = 11967379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11968403.

It is not an unprimeable number, because it can be changed into a prime (11968483) 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, 24800 + ... + 25277.

It is an arithmetic number, because the mean of its divisors is an integer number (3004680).

Almost surely, 2^11968403 is an apocalyptic number.

11968403 is a deficient number, since it is larger than the sum of its proper divisors (50317).

11968403 is an equidigital number, since it uses as much as digits as its factorization.

11968403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50316.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 11968403 is about 3459.5379749325. The cubic root of 11968403 is about 228.7417300204.

The spelling of 11968403 in words is "eleven million, nine hundred sixty-eight thousand, four hundred three".