12489876 has 60 divisors (see below), whose sum is σ = 37322208. Its totient is φ = 3567888.

The previous prime is 12489863. The next prime is 12489877. The reversal of 12489876 is 67898421.

12489876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12489877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 486 + ... + 5021.

Almost surely, 2^12489876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12489876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18661104).

12489876 is an abundant number, since it is smaller than the sum of its proper divisors (24832332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12489876 is a wasteful number, since it uses less digits than its factorization.

12489876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5519 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 12489876 is about 3534.1018661040. The cubic root of 12489876 is about 232.0167694973.

It can be divided in two parts, 124 and 89876, that added together give a square (90000 = 300²).

The spelling of 12489876 in words is "twelve million, four hundred eighty-nine thousand, eight hundred seventy-six".