12081299 has 2 divisors, whose sum is σ = 12081300. Its totient is φ = 12081298.

The previous prime is 12081287. The next prime is 12081319. The reversal of 12081299 is 99218021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12081299 - 2¹² = 12077203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12081229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040649 + 6040650.

It is an arithmetic number, because the mean of its divisors is an integer number (6040650).

Almost surely, 2^12081299 is an apocalyptic number.

12081299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081299 is an equidigital number, since it uses as much as digits as its factorization.

12081299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12081299 is about 3475.8163069990. The cubic root of 12081299 is about 229.4587081966.

The spelling of 12081299 in words is "twelve million, eighty-one thousand, two hundred ninety-nine".