12249299 has 4 divisors (see below), whose sum is σ = 12969864. Its totient is φ = 11528736.

The previous prime is 12249269. The next prime is 12249323. The reversal of 12249299 is 99294221.

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 12249299 - 2¹² = 12245203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12249229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360257 + ... + 360290.

It is an arithmetic number, because the mean of its divisors is an integer number (3242466).

Almost surely, 2^12249299 is an apocalyptic number.

12249299 is a deficient number, since it is larger than the sum of its proper divisors (720565).

12249299 is an equidigital number, since it uses as much as digits as its factorization.

12249299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720564.

The product of its digits is 23328, while the sum is 38.

The square root of 12249299 is about 3499.8998557102. The cubic root of 12249299 is about 230.5174173546.

The spelling of 12249299 in words is "twelve million, two hundred forty-nine thousand, two hundred ninety-nine".