1316680 has 16 divisors (see below), whose sum is σ = 2962620. Its totient is φ = 526656.

The previous prime is 1316677. The next prime is 1316699. The reversal of 1316680 is 866131.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 3364 = 1146^2 + 58^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16419 + ... + 16498.

2^1316680 is an apocalyptic number.

1316680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316680 is an abundant number, since it is smaller than the sum of its proper divisors (1645940).

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

1316680 is a wasteful number, since it uses less digits than its factorization.

1316680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32928 (or 32924 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1316680 is about 1147.4667751181. The cubic root of 1316680 is about 109.6040863733.

The spelling of 1316680 in words is "one million, three hundred sixteen thousand, six hundred eighty".