1316340 has 72 divisors (see below), whose sum is σ = 4088448. Its totient is φ = 342720.

The previous prime is 1316323. The next prime is 1316347. The reversal of 1316340 is 436131.

1316340 is a `hidden beast` number, since 1 + 31 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12729 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (56784).

2^1316340 is an apocalyptic number.

1316340 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 1316340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044224).

1316340 is an abundant number, since it is smaller than the sum of its proper divisors (2772108).

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

1316340 is a wasteful number, since it uses less digits than its factorization.

1316340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1316340 is about 1147.3186131149. The cubic root of 1316340 is about 109.5946513809.

It can be divided in two parts, 13163 and 40, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 1316340 in words is "one million, three hundred sixteen thousand, three hundred forty".