12398867 has 8 divisors (see below), whose sum is σ = 13388256. Its totient is φ = 11414592.

The previous prime is 12398843. The next prime is 12398879. The reversal of 12398867 is 76889321.

12398867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12398867 - 2⁶ = 12398803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12398807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898 + ... + 6984.

It is an arithmetic number, because the mean of its divisors is an integer number (1673532).

Almost surely, 2^12398867 is an apocalyptic number.

12398867 is a deficient number, since it is larger than the sum of its proper divisors (989389).

12398867 is a wasteful number, since it uses less digits than its factorization.

12398867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557.

The product of its digits is 145152, while the sum is 44.

The square root of 12398867 is about 3521.2024934673. The cubic root of 12398867 is about 231.4518556965.

The spelling of 12398867 in words is "twelve million, three hundred ninety-eight thousand, eight hundred sixty-seven".