12452280 has 32 divisors (see below), whose sum is σ = 37357200. Its totient is φ = 3320576.

The previous prime is 12452273. The next prime is 12452291. The reversal of 12452280 is 8225421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12452280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51765 + ... + 52004.

Almost surely, 2^12452280 is an apocalyptic number.

12452280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12452280 is an abundant number, since it is smaller than the sum of its proper divisors (24904920).

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

12452280 is a wasteful number, since it uses less digits than its factorization.

12452280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103783 (or 103779 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12452280 is about 3528.7788255996. The cubic root of 12452280 is about 231.7837362402.

The spelling of 12452280 in words is "twelve million, four hundred fifty-two thousand, two hundred eighty".