1316730 has 16 divisors (see below), whose sum is σ = 3160224. Its totient is φ = 351120.

The previous prime is 1316729. The next prime is 1316741. The reversal of 1316730 is 376131.

It is a junction number, because it is equal to n+sod(n) for n = 1316697 and 1316706.

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 7 ways as a sum of consecutive naturals, for example, 21916 + ... + 21975.

It is an arithmetic number, because the mean of its divisors is an integer number (197514).

2^1316730 is an apocalyptic number.

1316730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316730 is an abundant number, since it is smaller than the sum of its proper divisors (1843494).

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

1316730 is a wasteful number, since it uses less digits than its factorization.

1316730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43901.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1316730 is about 1147.4885620345. The cubic root of 1316730 is about 109.6054737352.

The spelling of 1316730 in words is "one million, three hundred sixteen thousand, seven hundred thirty".