1368665 has 8 divisors (see below), whose sum is σ = 1728960. Its totient is φ = 1037232.

The previous prime is 1368659. The next prime is 1368673. The reversal of 1368665 is 5668631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1368665 - 2¹² = 1364569 is a prime.

It is a nialpdrome in base 11.

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, 7109 + ... + 7298.

It is an arithmetic number, because the mean of its divisors is an integer number (216120).

2^1368665 is an apocalyptic number.

It is an amenable number.

1368665 is a deficient number, since it is larger than the sum of its proper divisors (360295).

1368665 is a wasteful number, since it uses less digits than its factorization.

1368665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431.

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

The square root of 1368665 is about 1169.8995683391. The cubic root of 1368665 is about 111.0279668729.

The spelling of 1368665 in words is "one million, three hundred sixty-eight thousand, six hundred sixty-five".