12308580 has 144 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 3006720.

The previous prime is 12308579. The next prime is 12308587. The reversal of 12308580 is 8580321.

It is a happy number.

12308580 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12308580² = 303002283232800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201750 + ... + 201810.

It is an arithmetic number, because the mean of its divisors is an integer number (282100).

Almost surely, 2^12308580 is an apocalyptic number.

12308580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12308580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20311200).

12308580 is an abundant number, since it is smaller than the sum of its proper divisors (28313820).

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

12308580 is a wasteful number, since it uses less digits than its factorization.

12308580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12308580 is about 3508.3585905662. The cubic root of 12308580 is about 230.8886853348. Note that the first 3 decimals are identical.

The spelling of 12308580 in words is "twelve million, three hundred eight thousand, five hundred eighty".