12526489 has 2 divisors, whose sum is σ = 12526490. Its totient is φ = 12526488.

The previous prime is 12526471. The next prime is 12526517. The reversal of 12526489 is 98462521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 912025 = 3408^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 12526489 - 2⁹ = 12525977 is a prime.

It is not a weakly prime, because it can be changed into another prime (12526439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263244 + 6263245.

It is an arithmetic number, because the mean of its divisors is an integer number (6263245).

Almost surely, 2^12526489 is an apocalyptic number.

It is an amenable number.

12526489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12526489 is an equidigital number, since it uses as much as digits as its factorization.

12526489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 12526489 is about 3539.2780337238. The cubic root of 12526489 is about 232.2432607465.

The spelling of 12526489 in words is "twelve million, five hundred twenty-six thousand, four hundred eighty-nine".