12565488 has 60 divisors (see below), whose sum is σ = 35172600. Its totient is φ = 3863808.

The previous prime is 12565481. The next prime is 12565489. The reversal of 12565488 is 88456521.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7338 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (586210).

Almost surely, 2^12565488 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 12565488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17586300).

12565488 is an abundant number, since it is smaller than the sum of its proper divisors (22607112).

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

12565488 is a wasteful number, since it uses less digits than its factorization.

12565488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1567 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 12565488 is about 3544.7832091681. The cubic root of 12565488 is about 232.4840271140.

The spelling of 12565488 in words is "twelve million, five hundred sixty-five thousand, four hundred eighty-eight".