11959777 has 2 divisors, whose sum is σ = 11959778. Its totient is φ = 11959776.

The previous prime is 11959771. The next prime is 11959841. The reversal of 11959777 is 77795911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 3013696 = 2991^2 + 1736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11959777 is a prime.

It is not a weakly prime, because it can be changed into another prime (11959771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979888 + 5979889.

It is an arithmetic number, because the mean of its divisors is an integer number (5979889).

Almost surely, 2^11959777 is an apocalyptic number.

It is an amenable number.

11959777 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959777 is an equidigital number, since it uses as much as digits as its factorization.

11959777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138915, while the sum is 46.

The square root of 11959777 is about 3458.2910519504. The cubic root of 11959777 is about 228.6867630549.

The spelling of 11959777 in words is "eleven million, nine hundred fifty-nine thousand, seven hundred seventy-seven".