12548999 has 2 divisors, whose sum is σ = 12549000. Its totient is φ = 12548998.

The previous prime is 12548983. The next prime is 12549001. The reversal of 12548999 is 99984521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12548999 - 2⁴ = 12548983 is a prime.

Together with 12549001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12548699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274499 + 6274500.

It is an arithmetic number, because the mean of its divisors is an integer number (6274500).

Almost surely, 2^12548999 is an apocalyptic number.

12548999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548999 is an equidigital number, since it uses as much as digits as its factorization.

12548999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 12548999 is about 3542.4566334678. The cubic root of 12548999 is about 232.3822905918.

The spelling of 12548999 in words is "twelve million, five hundred forty-eight thousand, nine hundred ninety-nine".