11217379 has 2 divisors, whose sum is σ = 11217380. Its totient is φ = 11217378.

The previous prime is 11217373. The next prime is 11217383. The reversal of 11217379 is 97371211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11217379 - 2⁷ = 11217251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11217379.

It is not a weakly prime, because it can be changed into another prime (11217373) 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, 5608689 + 5608690.

It is an arithmetic number, because the mean of its divisors is an integer number (5608690).

Almost surely, 2^11217379 is an apocalyptic number.

11217379 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217379 is an equidigital number, since it uses as much as digits as its factorization.

11217379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 31.

The square root of 11217379 is about 3349.2355844282. The cubic root of 11217379 is about 223.8534529872.

The spelling of 11217379 in words is "eleven million, two hundred seventeen thousand, three hundred seventy-nine".