11966977 has 4 divisors (see below), whose sum is σ = 13054896. Its totient is φ = 10879060.

The previous prime is 11966953. The next prime is 11966993. The reversal of 11966977 is 77966911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77966911 = 11 ⋅7087901.

It is a cyclic number.

It is not a de Polignac number, because 11966977 - 2¹¹ = 11964929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11966917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543943 + ... + 543964.

It is an arithmetic number, because the mean of its divisors is an integer number (3263724).

Almost surely, 2^11966977 is an apocalyptic number.

It is an amenable number.

11966977 is a deficient number, since it is larger than the sum of its proper divisors (1087919).

11966977 is a wasteful number, since it uses less digits than its factorization.

11966977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087918.

The product of its digits is 142884, while the sum is 46.

The square root of 11966977 is about 3459.3318719082. The cubic root of 11966977 is about 228.7326450249.

The spelling of 11966977 in words is "eleven million, nine hundred sixty-six thousand, nine hundred seventy-seven".