1340568 has 48 divisors (see below), whose sum is σ = 3723720. Its totient is φ = 435456.

The previous prime is 1340561. The next prime is 1340587. The reversal of 1340568 is 8650431.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2880 + ... + 3312.

2^1340568 is an apocalyptic number.

1340568 is a gapful number since it is divisible by the number (18) 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 1340568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861860).

1340568 is an abundant number, since it is smaller than the sum of its proper divisors (2383152).

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

1340568 is a wasteful number, since it uses less digits than its factorization.

1340568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1340568 is about 1157.8290029188. The cubic root of 1340568 is about 110.2629521859.

Adding to 1340568 its reverse (8650431), we get a palindrome (9990999).

The spelling of 1340568 in words is "one million, three hundred forty thousand, five hundred sixty-eight".