12289299 has 32 divisors (see below), whose sum is σ = 18966528. Its totient is φ = 7008000.

The previous prime is 12289297. The next prime is 12289309. The reversal of 12289299 is 99298221.

It is a happy number.

12289299 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12289299 - 2¹ = 12289297 is a prime.

It is a super-2 number, since 2×12289299² = 302053739822802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12289299.

It is not an unprimeable number, because it can be changed into a prime (12289297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41797 + ... + 42089.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

Almost surely, 2^12289299 is an apocalyptic number.

12289299 is a deficient number, since it is larger than the sum of its proper divisors (6677229).

12289299 is a wasteful number, since it uses less digits than its factorization.

12289299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 46656, while the sum is 42.

The square root of 12289299 is about 3505.6096474080. The cubic root of 12289299 is about 230.7680623958.

The spelling of 12289299 in words is "twelve million, two hundred eighty-nine thousand, two hundred ninety-nine".