12898243 has 4 divisors (see below), whose sum is σ = 13343040. Its totient is φ = 12453448.

The previous prime is 12898229. The next prime is 12898253. The reversal of 12898243 is 34289821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12898243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12898253) 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 3 ways as a sum of consecutive naturals, for example, 222355 + ... + 222412.

It is an arithmetic number, because the mean of its divisors is an integer number (3335760).

Almost surely, 2^12898243 is an apocalyptic number.

12898243 is a deficient number, since it is larger than the sum of its proper divisors (444797).

12898243 is an equidigital number, since it uses as much as digits as its factorization.

12898243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444796.

The product of its digits is 27648, while the sum is 37.

The square root of 12898243 is about 3591.4123962586. The cubic root of 12898243 is about 234.5183616660.

The spelling of 12898243 in words is "twelve million, eight hundred ninety-eight thousand, two hundred forty-three".