1368688 has 20 divisors (see below), whose sum is σ = 2676168. Its totient is φ = 678080.

The previous prime is 1368683. The next prime is 1368727. The reversal of 1368688 is 8868631.

It is a self number, because there is not a number n which added to its sum of digits gives 1368688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770 + ... + 2422.

2^1368688 is an apocalyptic number.

It is an amenable number.

1368688 is a deficient number, since it is larger than the sum of its proper divisors (1307480).

1368688 is a wasteful number, since it uses less digits than its factorization.

1368688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 786 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 1368688 is about 1169.9093982014. The cubic root of 1368688 is about 111.0285887999.

The spelling of 1368688 in words is "one million, three hundred sixty-eight thousand, six hundred eighty-eight".