12299769 has 10 divisors (see below), whose sum is σ = 18373850. Its totient is φ = 8199792.

The previous prime is 12299767. The next prime is 12299797. The reversal of 12299769 is 96799221.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 4665600 = 2763^2 + 2160^2 .

It is not a de Polignac number, because 12299769 - 2¹ = 12299767 is a prime.

It is a super-2 number, since 2×12299769² = 302568634906722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12299761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75844 + ... + 76005.

It is an arithmetic number, because the mean of its divisors is an integer number (1837385).

Almost surely, 2^12299769 is an apocalyptic number.

It is an amenable number.

12299769 is a deficient number, since it is larger than the sum of its proper divisors (6074081).

12299769 is an equidigital number, since it uses as much as digits as its factorization.

12299769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151861 (or 151852 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 12299769 is about 3507.1026503369. The cubic root of 12299769 is about 230.8335789015.

The spelling of 12299769 in words is "twelve million, two hundred ninety-nine thousand, seven hundred sixty-nine".