12398849 has 8 divisors (see below), whose sum is σ = 13086240. Its totient is φ = 11714976.

The previous prime is 12398843. The next prime is 12398879. The reversal of 12398849 is 94889321.

It is a happy number.

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 12398849 - 2⁴ = 12398833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12398843) 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, 9797 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (1635780).

Almost surely, 2^12398849 is an apocalyptic number.

12398849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12398849 is a deficient number, since it is larger than the sum of its proper divisors (687391).

12398849 is a wasteful number, since it uses less digits than its factorization.

12398849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its digits is 124416, while the sum is 44.

The square root of 12398849 is about 3521.1999375213. The cubic root of 12398849 is about 231.4517436934.

The spelling of 12398849 in words is "twelve million, three hundred ninety-eight thousand, eight hundred forty-nine".