12498889 has 4 divisors (see below), whose sum is σ = 13460356. Its totient is φ = 11537424.

The previous prime is 12498883. The next prime is 12498907. The reversal of 12498889 is 98889421.

12498889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98889421 = 647 ⋅152843.

It can be written as a sum of positive squares in 2 ways, for example, as 2839225 + 9659664 = 1685^2 + 3108^2 .

It is a cyclic number.

It is not a de Polignac number, because 12498889 - 2²¹ = 10401737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12498883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480714 + ... + 480739.

It is an arithmetic number, because the mean of its divisors is an integer number (3365089).

Almost surely, 2^12498889 is an apocalyptic number.

It is an amenable number.

12498889 is a deficient number, since it is larger than the sum of its proper divisors (961467).

12498889 is an equidigital number, since it uses as much as digits as its factorization.

12498889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961466.

The product of its digits is 331776, while the sum is 49.

The square root of 12498889 is about 3535.3767833146. The cubic root of 12498889 is about 232.0725657367.

The spelling of 12498889 in words is "twelve million, four hundred ninety-eight thousand, eight hundred eighty-nine".