1318480 has 20 divisors (see below), whose sum is σ = 3065652. Its totient is φ = 527360.

The previous prime is 1318477. The next prime is 1318487. The reversal of 1318480 is 848131.

It can be written as a sum of positive squares in 2 ways, for example, as 501264 + 817216 = 708^2 + 904^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8161 + ... + 8320.

2^1318480 is an apocalyptic number.

1318480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1318480 is an abundant number, since it is smaller than the sum of its proper divisors (1747172).

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

1318480 is a wasteful number, since it uses less digits than its factorization.

1318480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16494 (or 16488 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1318480 is about 1148.2508436748. The cubic root of 1318480 is about 109.6540092909.

The spelling of 1318480 in words is "one million, three hundred eighteen thousand, four hundred eighty".