11969803 has 2 divisors, whose sum is σ = 11969804. Its totient is φ = 11969802.

The previous prime is 11969801. The next prime is 11969807. The reversal of 11969803 is 30896911.

11969803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (30896911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11969803 - 2¹ = 11969801 is a prime.

Together with 11969801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11969801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984901 + 5984902.

It is an arithmetic number, because the mean of its divisors is an integer number (5984902).

Almost surely, 2^11969803 is an apocalyptic number.

11969803 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969803 is an equidigital number, since it uses as much as digits as its factorization.

11969803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11969803 is about 3459.7403081734. The cubic root of 11969803 is about 228.7506486689.

The spelling of 11969803 in words is "eleven million, nine hundred sixty-nine thousand, eight hundred three".