11973329 has 2 divisors, whose sum is σ = 11973330. Its totient is φ = 11973328.

The previous prime is 11973293. The next prime is 11973349. The reversal of 11973329 is 92337911.

Together with previous prime (11973293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 2486929 = 3080^2 + 1577^2 .

It is an emirp because it is prime and its reverse (92337911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11973329 - 2¹² = 11969233 is a prime.

It is not a weakly prime, because it can be changed into another prime (11973349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5986664 + 5986665.

It is an arithmetic number, because the mean of its divisors is an integer number (5986665).

Almost surely, 2^11973329 is an apocalyptic number.

It is an amenable number.

11973329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11973329 is an equidigital number, since it uses as much as digits as its factorization.

11973329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 11973329 is about 3460.2498464706. The cubic root of 11973329 is about 228.7731078411.

The spelling of 11973329 in words is "eleven million, nine hundred seventy-three thousand, three hundred twenty-nine".