12405080 has 16 divisors (see below), whose sum is σ = 27911520. Its totient is φ = 4962016.

The previous prime is 12405077. The next prime is 12405089. The reversal of 12405080 is 8050421.

12405080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155024 + ... + 155103.

It is an arithmetic number, because the mean of its divisors is an integer number (1744470).

Almost surely, 2^12405080 is an apocalyptic number.

12405080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12405080 is an abundant number, since it is smaller than the sum of its proper divisors (15506440).

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

12405080 is a wasteful number, since it uses less digits than its factorization.

12405080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310138 (or 310134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12405080 is about 3522.0846100002. The cubic root of 12405080 is about 231.4905089663.

The spelling of 12405080 in words is "twelve million, four hundred five thousand, eighty".