11959679 has 2 divisors, whose sum is σ = 11959680. Its totient is φ = 11959678.

The previous prime is 11959669. The next prime is 11959681. The reversal of 11959679 is 97695911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11959679 is a prime.

Together with 11959681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11959669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979839 + 5979840.

It is an arithmetic number, because the mean of its divisors is an integer number (5979840).

Almost surely, 2^11959679 is an apocalyptic number.

11959679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959679 is an equidigital number, since it uses as much as digits as its factorization.

11959679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 47.

The square root of 11959679 is about 3458.2768830734. The cubic root of 11959679 is about 228.6861384233.

The spelling of 11959679 in words is "eleven million, nine hundred fifty-nine thousand, six hundred seventy-nine".