1366568 has 32 divisors (see below), whose sum is σ = 3058560. Its totient is φ = 559680.

The previous prime is 1366549. The next prime is 1366577. The reversal of 1366568 is 8656631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (95580).

2^1366568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529280).

1366568 is an abundant number, since it is smaller than the sum of its proper divisors (1691992).

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

1366568 is a wasteful number, since it uses less digits than its factorization.

1366568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1093 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1366568 is about 1169.0029940081. The cubic root of 1366568 is about 110.9712340577.

The spelling of 1366568 in words is "one million, three hundred sixty-six thousand, five hundred sixty-eight".