11317819 has 8 divisors (see below), whose sum is σ = 11666000. Its totient is φ = 10971936.

The previous prime is 11317811. The next prime is 11317849. The reversal of 11317819 is 91871311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11317819 - 2³ = 11317811 is a prime.

It is a super-2 number, since 2×11317819² = 256186053833522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11317811) 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 in 7 ways as a sum of consecutive naturals, for example, 18157 + ... + 18769.

It is an arithmetic number, because the mean of its divisors is an integer number (1458250).

Almost surely, 2^11317819 is an apocalyptic number.

11317819 is a deficient number, since it is larger than the sum of its proper divisors (348181).

11317819 is an equidigital number, since it uses as much as digits as its factorization.

11317819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its digits is 1512, while the sum is 31.

The square root of 11317819 is about 3364.1966351568. The cubic root of 11317819 is about 224.5195939268.

The spelling of 11317819 in words is "eleven million, three hundred seventeen thousand, eight hundred nineteen".