11876321 has 2 divisors, whose sum is σ = 11876322. Its totient is φ = 11876320.

The previous prime is 11876309. The next prime is 11876323. The reversal of 11876321 is 12367811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 70225 = 3436^2 + 265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11876321 is a prime.

It is a Sophie Germain prime.

Together with 11876323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11876323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938160 + 5938161.

It is an arithmetic number, because the mean of its divisors is an integer number (5938161).

Almost surely, 2^11876321 is an apocalyptic number.

It is an amenable number.

11876321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876321 is an equidigital number, since it uses as much as digits as its factorization.

11876321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 11876321 is about 3446.2038535177. The cubic root of 11876321 is about 228.1535912373.

The spelling of 11876321 in words is "eleven million, eight hundred seventy-six thousand, three hundred twenty-one".