12529999 has 2 divisors, whose sum is σ = 12530000. Its totient is φ = 12529998.

The previous prime is 12529981. The next prime is 12530017. The reversal of 12529999 is 99992521.

It is a balanced prime because it is at equal distance from previous prime (12529981) and next prime (12530017).

It is a cyclic number.

It is not a de Polignac number, because 12529999 - 2²³ = 4141391 is a prime.

12529999 is a modest number, since divided by 9999 gives 1252 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12529399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264999 + 6265000.

It is an arithmetic number, because the mean of its divisors is an integer number (6265000).

Almost surely, 2^12529999 is an apocalyptic number.

12529999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12529999 is an equidigital number, since it uses as much as digits as its factorization.

12529999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 46.

The square root of 12529999 is about 3539.7738628336. The cubic root of 12529999 is about 232.2649507220.

The spelling of 12529999 in words is "twelve million, five hundred twenty-nine thousand, nine hundred ninety-nine".