11966677 has 4 divisors (see below), whose sum is σ = 12010156. Its totient is φ = 11923200.

The previous prime is 11966663. The next prime is 11966681. The reversal of 11966677 is 77666911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 6922161 = 2246^2 + 2631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11966677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11966377) 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 in 3 ways as a sum of consecutive naturals, for example, 21324 + ... + 21877.

It is an arithmetic number, because the mean of its divisors is an integer number (3002539).

Almost surely, 2^11966677 is an apocalyptic number.

It is an amenable number.

11966677 is a deficient number, since it is larger than the sum of its proper divisors (43479).

11966677 is an equidigital number, since it uses as much as digits as its factorization.

11966677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43478.

The product of its digits is 95256, while the sum is 43.

The square root of 11966677 is about 3459.2885106623. The cubic root of 11966677 is about 228.7307336437.

The spelling of 11966677 in words is "eleven million, nine hundred sixty-six thousand, six hundred seventy-seven".