1316620 has 12 divisors (see below), whose sum is σ = 2764944. Its totient is φ = 526640.

The previous prime is 1316603. The next prime is 1316621. The reversal of 1316620 is 266131.

It is not an unprimeable number, because it can be changed into a prime (1316621) 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, 32896 + ... + 32935.

It is an arithmetic number, because the mean of its divisors is an integer number (230412).

2^1316620 is an apocalyptic number.

1316620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316620 is an abundant number, since it is smaller than the sum of its proper divisors (1448324).

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

1316620 is a wasteful number, since it uses less digits than its factorization.

1316620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65840 (or 65838 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1316620 is about 1147.4406302724. The cubic root of 1316620 is about 109.6024214927.

It can be divided in two parts, 1316 and 620, that added together give a square (1936 = 44²).

The spelling of 1316620 in words is "one million, three hundred sixteen thousand, six hundred twenty".