12302489 has 4 divisors (see below), whose sum is σ = 12311040. Its totient is φ = 12293940.

The previous prime is 12302449. The next prime is 12302497. The reversal of 12302489 is 98420321.

12302489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98420321 = 83 ⋅1185787.

It is a cyclic number.

It is not a de Polignac number, because 12302489 - 2⁸ = 12302233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302449) 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, 1529 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (3077760).

Almost surely, 2^12302489 is an apocalyptic number.

It is an amenable number.

12302489 is a deficient number, since it is larger than the sum of its proper divisors (8551).

12302489 is an equidigital number, since it uses as much as digits as its factorization.

12302489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12302489 is about 3507.4904133868. The cubic root of 12302489 is about 230.8505933419.

The spelling of 12302489 in words is "twelve million, three hundred two thousand, four hundred eighty-nine".