12451488 has 72 divisors (see below), whose sum is σ = 38035872. Its totient is φ = 3556224.

The previous prime is 12451477. The next prime is 12451489. The reversal of 12451488 is 88415421.

It is not an unprimeable number, because it can be changed into a prime (12451489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3381 + ... + 6027.

It is an arithmetic number, because the mean of its divisors is an integer number (528276).

Almost surely, 2^12451488 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 12451488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19017936).

12451488 is an abundant number, since it is smaller than the sum of its proper divisors (25584384).

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

12451488 is a wasteful number, since it uses less digits than its factorization.

12451488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2659 counting only the distinct ones).

The product of its digits is 10240, while the sum is 33.

The square root of 12451488 is about 3528.6666036904. Note that the first 4 decimals coincide. The cubic root of 12451488 is about 231.7788221037.

The spelling of 12451488 in words is "twelve million, four hundred fifty-one thousand, four hundred eighty-eight".