11579993 has 2 divisors, whose sum is σ = 11579994. Its totient is φ = 11579992.

The previous prime is 11579983. The next prime is 11580011. The reversal of 11579993 is 39997511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9653449 + 1926544 = 3107^2 + 1388^2 .

It is an emirp because it is prime and its reverse (39997511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11579993 - 2⁴ = 11579977 is a prime.

It is not a weakly prime, because it can be changed into another prime (11579933) 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, 5789996 + 5789997.

It is an arithmetic number, because the mean of its divisors is an integer number (5789997).

Almost surely, 2^11579993 is an apocalyptic number.

It is an amenable number.

11579993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11579993 is an equidigital number, since it uses as much as digits as its factorization.

11579993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 44.

The square root of 11579993 is about 3402.9388769121. The cubic root of 11579993 is about 226.2400209267.

It can be divided in two parts, 115 and 79993, that added together give a palindrome (80108).

The spelling of 11579993 in words is "eleven million, five hundred seventy-nine thousand, nine hundred ninety-three".