11317999 has 8 divisors (see below), whose sum is σ = 14110848. Its totient is φ = 8819160.

The previous prime is 11317997. The next prime is 11318017. The reversal of 11317999 is 99971311.

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

It is not a de Polignac number, because 11317999 - 2¹ = 11317997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11317997) 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, 73417 + ... + 73570.

It is an arithmetic number, because the mean of its divisors is an integer number (1763856).

Almost surely, 2^11317999 is an apocalyptic number.

11317999 is a deficient number, since it is larger than the sum of its proper divisors (2792849).

11317999 is a wasteful number, since it uses less digits than its factorization.

11317999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147005.

The product of its digits is 15309, while the sum is 40.

The square root of 11317999 is about 3364.2233873511. The cubic root of 11317999 is about 224.5207841830.

The spelling of 11317999 in words is "eleven million, three hundred seventeen thousand, nine hundred ninety-nine".