11663579 has 2 divisors, whose sum is σ = 11663580. Its totient is φ = 11663578.

The previous prime is 11663563. The next prime is 11663593. The reversal of 11663579 is 97536611.

It is a strong prime.

It is an emirp because it is prime and its reverse (97536611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11663579 - 2⁴ = 11663563 is a prime.

It is not a weakly prime, because it can be changed into another prime (11666579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831789 + 5831790.

It is an arithmetic number, because the mean of its divisors is an integer number (5831790).

Almost surely, 2^11663579 is an apocalyptic number.

11663579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663579 is an equidigital number, since it uses as much as digits as its factorization.

11663579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 11663579 is about 3415.1982372917. The cubic root of 11663579 is about 226.7830604155.

The spelling of 11663579 in words is "eleven million, six hundred sixty-three thousand, five hundred seventy-nine".