11971077 has 8 divisors (see below), whose sum is σ = 16900416. Its totient is φ = 7511232.

The previous prime is 11971073. The next prime is 11971079. The reversal of 11971077 is 77017911.

11971077 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11971077 - 2² = 11971073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11971073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117313 + ... + 117414.

It is an arithmetic number, because the mean of its divisors is an integer number (2112552).

Almost surely, 2^11971077 is an apocalyptic number.

11971077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11971077 is a deficient number, since it is larger than the sum of its proper divisors (4929339).

11971077 is a wasteful number, since it uses less digits than its factorization.

11971077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234747.

The product of its (nonzero) digits is 3087, while the sum is 33.

The square root of 11971077 is about 3459.9244211399. The cubic root of 11971077 is about 228.7587640346.

Adding to 11971077 its reverse (77017911), we get a palindrome (88988988).

The spelling of 11971077 in words is "eleven million, nine hundred seventy-one thousand, seventy-seven".