1316020 has 24 divisors (see below), whose sum is σ = 2860200. Its totient is φ = 508032.

The previous prime is 1316017. The next prime is 1316033. The reversal of 1316020 is 206131.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 1313316 = 52^2 + 1146^2 .

It is a congruent number.

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, 555 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (119175).

2^1316020 is an apocalyptic number.

1316020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316020 is an abundant number, since it is smaller than the sum of its proper divisors (1544180).

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

1316020 is a wasteful number, since it uses less digits than its factorization.

1316020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1316020 is about 1147.1791490434. The cubic root of 1316020 is about 109.5857699038.

The spelling of 1316020 in words is "one million, three hundred sixteen thousand, twenty".