1316380 has 48 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 472320.

The previous prime is 1316363. The next prime is 1316389. The reversal of 1316380 is 836131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15819 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (63798).

2^1316380 is an apocalyptic number.

1316380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531152).

1316380 is an abundant number, since it is smaller than the sum of its proper divisors (1745924).

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

1316380 is a wasteful number, since it uses less digits than its factorization.

1316380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1316380 is about 1147.3360449319. The cubic root of 1316380 is about 109.5957614643.

Subtracting from 1316380 its reverse (836131), we obtain a square (480249 = 693²).

The spelling of 1316380 in words is "one million, three hundred sixteen thousand, three hundred eighty".