12299345 has 4 divisors (see below), whose sum is σ = 14759220. Its totient is φ = 9839472.

The previous prime is 12299323. The next prime is 12299351. The reversal of 12299345 is 54399221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54399221 = 4919 ⋅11059.

It can be written as a sum of positive squares in 2 ways, for example, as 8976016 + 3323329 = 2996^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 12299345 - 2¹² = 12295249 is a prime.

It is an unprimeable number.

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, 1229930 + ... + 1229939.

It is an arithmetic number, because the mean of its divisors is an integer number (3689805).

Almost surely, 2^12299345 is an apocalyptic number.

It is an amenable number.

12299345 is a deficient number, since it is larger than the sum of its proper divisors (2459875).

12299345 is an equidigital number, since it uses as much as digits as its factorization.

12299345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459874.

The product of its digits is 19440, while the sum is 35.

The square root of 12299345 is about 3507.0422010578. The cubic root of 12299345 is about 230.8309264246.

The spelling of 12299345 in words is "twelve million, two hundred ninety-nine thousand, three hundred forty-five".