12385899 has 16 divisors (see below), whose sum is σ = 18403840. Its totient is φ = 8232840.

The previous prime is 12385847. The next prime is 12385903. The reversal of 12385899 is 99858321.

It is a happy number.

It is not a de Polignac number, because 12385899 - 2¹¹ = 12383851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12385819) 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 in 15 ways as a sum of consecutive naturals, for example, 16674 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (1150240).

Almost surely, 2^12385899 is an apocalyptic number.

12385899 is a deficient number, since it is larger than the sum of its proper divisors (6017941).

12385899 is an equidigital number, since it uses as much as digits as its factorization.

12385899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1361 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12385899 is about 3519.3605953355. The cubic root of 12385899 is about 231.3711355606.

The spelling of 12385899 in words is "twelve million, three hundred eighty-five thousand, eight hundred ninety-nine".