12480280 has 16 divisors (see below), whose sum is σ = 28080720. Its totient is φ = 4992096.

The previous prime is 12480269. The next prime is 12480313. The reversal of 12480280 is 8208421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155964 + ... + 156043.

It is an arithmetic number, because the mean of its divisors is an integer number (1755045).

Almost surely, 2^12480280 is an apocalyptic number.

12480280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12480280 is an abundant number, since it is smaller than the sum of its proper divisors (15600440).

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

12480280 is a wasteful number, since it uses less digits than its factorization.

12480280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312018 (or 312014 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 12480280 is about 3532.7439760051. The cubic root of 12480280 is about 231.9573346037.

The spelling of 12480280 in words is "twelve million, four hundred eighty thousand, two hundred eighty".