11968001 has 2 divisors, whose sum is σ = 11968002. Its totient is φ = 11968000.

The previous prime is 11967997. The next prime is 11968007. The reversal of 11968001 is 10086911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 30976 = 3455^2 + 176^2 .

It is an emirp because it is prime and its reverse (10086911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11968001 - 2² = 11967997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11968007) 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, 5984000 + 5984001.

It is an arithmetic number, because the mean of its divisors is an integer number (5984001).

Almost surely, 2^11968001 is an apocalyptic number.

It is an amenable number.

11968001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11968001 is an equidigital number, since it uses as much as digits as its factorization.

11968001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 11968001 is about 3459.4798742007. The cubic root of 11968001 is about 228.7391689657.

The spelling of 11968001 in words is "eleven million, nine hundred sixty-eight thousand, one".