11912299 has 4 divisors (see below), whose sum is σ = 13614064. Its totient is φ = 10210536.

The previous prime is 11912293. The next prime is 11912311. The reversal of 11912299 is 99221911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99221911 = 17 ⋅5836583.

It is not a de Polignac number, because 11912299 - 2⁵ = 11912267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11912293) 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 3 ways as a sum of consecutive naturals, for example, 850872 + ... + 850885.

It is an arithmetic number, because the mean of its divisors is an integer number (3403516).

Almost surely, 2^11912299 is an apocalyptic number.

11912299 is a deficient number, since it is larger than the sum of its proper divisors (1701765).

11912299 is an equidigital number, since it uses as much as digits as its factorization.

11912299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701764.

The product of its digits is 2916, while the sum is 34.

The square root of 11912299 is about 3451.4198527563. The cubic root of 11912299 is about 228.3837476666.

The spelling of 11912299 in words is "eleven million, nine hundred twelve thousand, two hundred ninety-nine".