12398275 has 6 divisors (see below), whose sum is σ = 15373892. Its totient is φ = 9918600.

The previous prime is 12398273. The next prime is 12398299. The reversal of 12398275 is 57289321.

It is not a de Polignac number, because 12398275 - 2¹ = 12398273 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12398273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247941 + ... + 247990.

Almost surely, 2^12398275 is an apocalyptic number.

12398275 is a deficient number, since it is larger than the sum of its proper divisors (2975617).

12398275 is an equidigital number, since it uses as much as digits as its factorization.

12398275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495941 (or 495936 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 12398275 is about 3521.1184302718. The cubic root of 12398275 is about 231.4481719814.

The spelling of 12398275 in words is "twelve million, three hundred ninety-eight thousand, two hundred seventy-five".