12011299 has 4 divisors (see below), whose sum is σ = 12717864. Its totient is φ = 11304736.

The previous prime is 12011297. The next prime is 12011303. The reversal of 12011299 is 99211021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011299 - 2¹ = 12011297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011297) 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, 353257 + ... + 353290.

It is an arithmetic number, because the mean of its divisors is an integer number (3179466).

Almost surely, 2^12011299 is an apocalyptic number.

12011299 is a deficient number, since it is larger than the sum of its proper divisors (706565).

12011299 is an equidigital number, since it uses as much as digits as its factorization.

12011299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706564.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 12011299 is about 3465.7321015912. The cubic root of 12011299 is about 229.0146822264.

It can be divided in two parts, 1201 and 1299, that added together give a square (2500 = 50²).

The spelling of 12011299 in words is "twelve million, eleven thousand, two hundred ninety-nine".