12524009 has 2 divisors, whose sum is σ = 12524010. Its totient is φ = 12524008.

The previous prime is 12524003. The next prime is 12524023. The reversal of 12524009 is 90042521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 469225 = 3472^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 12524009 - 2¹⁶ = 12458473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12524003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262004 + 6262005.

It is an arithmetic number, because the mean of its divisors is an integer number (6262005).

Almost surely, 2^12524009 is an apocalyptic number.

It is an amenable number.

12524009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12524009 is an equidigital number, since it uses as much as digits as its factorization.

12524009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12524009 is about 3538.9276624424. The cubic root of 12524009 is about 232.2279331927.

The spelling of 12524009 in words is "twelve million, five hundred twenty-four thousand, nine".