11917299 has 16 divisors (see below), whose sum is σ = 16547840. Its totient is φ = 7620480.

The previous prime is 11917291. The next prime is 11917307. The reversal of 11917299 is 99271911.

It is an interprime number because it is at equal distance from previous prime (11917291) and next prime (11917307).

It is not a de Polignac number, because 11917299 - 2³ = 11917291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11917291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11307 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (1034240).

Almost surely, 2^11917299 is an apocalyptic number.

11917299 is a deficient number, since it is larger than the sum of its proper divisors (4630541).

11917299 is a wasteful number, since it uses less digits than its factorization.

11917299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its digits is 10206, while the sum is 39.

The square root of 11917299 is about 3452.1441163428. The cubic root of 11917299 is about 228.4156966913.

The spelling of 11917299 in words is "eleven million, nine hundred seventeen thousand, two hundred ninety-nine".