1308280 has 16 divisors (see below), whose sum is σ = 2943720. Its totient is φ = 523296.

The previous prime is 1308247. The next prime is 1308287. The reversal of 1308280 is 828031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16314 + ... + 16393.

2^1308280 is an apocalyptic number.

1308280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1308280 is an abundant number, since it is smaller than the sum of its proper divisors (1635440).

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

1308280 is a wasteful number, since it uses less digits than its factorization.

1308280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32718 (or 32714 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1308280 is about 1143.8006819372. The cubic root of 1308280 is about 109.3705092034.

Subtracting from 1308280 its reverse (828031), we obtain a square (480249 = 693²).

The spelling of 1308280 in words is "one million, three hundred eight thousand, two hundred eighty".