11976851 has 2 divisors, whose sum is σ = 11976852. Its totient is φ = 11976850.

The previous prime is 11976841. The next prime is 11976871. The reversal of 11976851 is 15867911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11976851 - 2⁶ = 11976787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11976841) 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 as a sum of consecutive naturals, namely, 5988425 + 5988426.

It is an arithmetic number, because the mean of its divisors is an integer number (5988426).

Almost surely, 2^11976851 is an apocalyptic number.

11976851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976851 is an equidigital number, since it uses as much as digits as its factorization.

11976851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 38.

The square root of 11976851 is about 3460.7587318390. The cubic root of 11976851 is about 228.7955371336.

The spelling of 11976851 in words is "eleven million, nine hundred seventy-six thousand, eight hundred fifty-one".