11969807 has 2 divisors, whose sum is σ = 11969808. Its totient is φ = 11969806.

The previous prime is 11969803. The next prime is 11969851. The reversal of 11969807 is 70896911.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (70896911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11969807 - 2² = 11969803 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11969801) 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 as a sum of consecutive naturals, namely, 5984903 + 5984904.

It is an arithmetic number, because the mean of its divisors is an integer number (5984904).

Almost surely, 2^11969807 is an apocalyptic number.

11969807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969807 is an equidigital number, since it uses as much as digits as its factorization.

11969807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 11969807 is about 3459.7408862515. The cubic root of 11969807 is about 228.7506741497.

The spelling of 11969807 in words is "eleven million, nine hundred sixty-nine thousand, eight hundred seven".