12489952 has 48 divisors (see below), whose sum is σ = 26112240. Its totient is φ = 5870592.

The previous prime is 12489941. The next prime is 12489959. The reversal of 12489952 is 25998421.

12489952 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 (12489959) 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, 39748 + ... + 40060.

It is an arithmetic number, because the mean of its divisors is an integer number (544005).

Almost surely, 2^12489952 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 12489952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13056120).

12489952 is an abundant number, since it is smaller than the sum of its proper divisors (13622288).

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

12489952 is a wasteful number, since it uses less digits than its factorization.

12489952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 387 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 12489952 is about 3534.1126184659. The cubic root of 12489952 is about 232.0172400982.

The spelling of 12489952 in words is "twelve million, four hundred eighty-nine thousand, nine hundred fifty-two".