12453280 has 48 divisors (see below), whose sum is σ = 33626880. Its totient is φ = 4269312.

The previous prime is 12453269. The next prime is 12453293. The reversal of 12453280 is 8235421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4440 + ... + 6679.

It is an arithmetic number, because the mean of its divisors is an integer number (700560).

Almost surely, 2^12453280 is an apocalyptic number.

12453280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12453280 is an abundant number, since it is smaller than the sum of its proper divisors (21173600).

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

12453280 is a wasteful number, since it uses less digits than its factorization.

12453280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141 (or 11133 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12453280 is about 3528.9205148317. The cubic root of 12453280 is about 231.7899406604.

The spelling of 12453280 in words is "twelve million, four hundred fifty-three thousand, two hundred eighty".