12023489 has 2 divisors, whose sum is σ = 12023490. Its totient is φ = 12023488.

The previous prime is 12023477. The next prime is 12023497. The reversal of 12023489 is 98432021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 5798464 = 2495^2 + 2408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12023419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011744 + 6011745.

It is an arithmetic number, because the mean of its divisors is an integer number (6011745).

Almost surely, 2^12023489 is an apocalyptic number.

It is an amenable number.

12023489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023489 is an equidigital number, since it uses as much as digits as its factorization.

12023489 is an evil number, because the sum of its binary digits is even.

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

The square root of 12023489 is about 3467.4903027983. The cubic root of 12023489 is about 229.0921300001.

The spelling of 12023489 in words is "twelve million, twenty-three thousand, four hundred eighty-nine".