1308480 has 112 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 329728.

The previous prime is 1308467. The next prime is 1308491. The reversal of 1308480 is 848031.

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 1308480.

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 15 ways as a sum of consecutive naturals, for example, 27817 + ... + 27863.

2^1308480 is an apocalyptic number.

1308480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194560).

1308480 is an abundant number, since it is smaller than the sum of its proper divisors (3080640).

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

1308480 is a wasteful number, since it uses less digits than its factorization.

1308480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1308480 is about 1143.8881064160. Note that the first 3 decimals coincide. The cubic root of 1308480 is about 109.3760821662.

The spelling of 1308480 in words is "one million, three hundred eight thousand, four hundred eighty".