11976871 has 2 divisors, whose sum is σ = 11976872. Its totient is φ = 11976870.

The previous prime is 11976851. The next prime is 11976893. The reversal of 11976871 is 17867911.

11976871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11976871 - 2⁷ = 11976743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11976841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988435 + 5988436.

It is an arithmetic number, because the mean of its divisors is an integer number (5988436).

Almost surely, 2^11976871 is an apocalyptic number.

11976871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976871 is an equidigital number, since it uses as much as digits as its factorization.

11976871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 40.

The square root of 11976871 is about 3460.7616213776. The cubic root of 11976871 is about 228.7956644878.

The spelling of 11976871 in words is "eleven million, nine hundred seventy-six thousand, eight hundred seventy-one".