12489232 has 40 divisors (see below), whose sum is σ = 29115200. Its totient is φ = 5069952.

The previous prime is 12489229. The next prime is 12489241. The reversal of 12489232 is 23298421.

It is a junction number, because it is equal to n+sod(n) for n = 12489194 and 12489203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (727880).

Almost surely, 2^12489232 is an apocalyptic number.

It is an amenable number.

12489232 is an abundant number, since it is smaller than the sum of its proper divisors (16625968).

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

12489232 is a wasteful number, since it uses less digits than its factorization.

12489232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903 (or 5897 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12489232 is about 3534.0107526718. The cubic root of 12489232 is about 232.0127816977.

It can be divided in two parts, 12489 and 232, that added together give a palindrome (12721).

The spelling of 12489232 in words is "twelve million, four hundred eighty-nine thousand, two hundred thirty-two".