12398875 has 8 divisors (see below), whose sum is σ = 15473952. Its totient is φ = 9919000.

The previous prime is 12398843. The next prime is 12398879. The reversal of 12398875 is 57889321.

It is not a de Polignac number, because 12398875 - 2⁵ = 12398843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12398879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49471 + ... + 49720.

It is an arithmetic number, because the mean of its divisors is an integer number (1934244).

Almost surely, 2^12398875 is an apocalyptic number.

12398875 is a deficient number, since it is larger than the sum of its proper divisors (3075077).

12398875 is an frugal number, since it uses more digits than its factorization.

12398875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99206 (or 99196 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 12398875 is about 3521.2036294426. The cubic root of 12398875 is about 231.4519054756.

The spelling of 12398875 in words is "twelve million, three hundred ninety-eight thousand, eight hundred seventy-five".