11317719 has 8 divisors (see below), whose sum is σ = 17246080. Its totient is φ = 6467256.

The previous prime is 11317717. The next prime is 11317723. The reversal of 11317719 is 91771311.

It is a happy number.

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

It is not a de Polignac number, because 11317719 - 2¹ = 11317717 is a prime.

It is a super-2 number, since 2×11317719² = 256181526725922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11317717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269449 + ... + 269490.

It is an arithmetic number, because the mean of its divisors is an integer number (2155760).

Almost surely, 2^11317719 is an apocalyptic number.

11317719 is a deficient number, since it is larger than the sum of its proper divisors (5928361).

11317719 is an equidigital number, since it uses as much as digits as its factorization.

11317719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538949.

The product of its digits is 1323, while the sum is 30.

The square root of 11317719 is about 3364.1817727346. The cubic root of 11317719 is about 224.5189326679.

The spelling of 11317719 in words is "eleven million, three hundred seventeen thousand, seven hundred nineteen".