1368686 has 8 divisors (see below), whose sum is σ = 2239704. Its totient is φ = 622120.

The previous prime is 1368683. The next prime is 1368727. The reversal of 1368686 is 6868631.

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

It is a pancake number, because a pancake can be divided into 1368686 parts by 1654 straight cuts.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31085 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (279963).

2^1368686 is an apocalyptic number.

1368686 is a deficient number, since it is larger than the sum of its proper divisors (871018).

1368686 is a wasteful number, since it uses less digits than its factorization.

1368686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62226.

The product of its digits is 41472, while the sum is 38.

The square root of 1368686 is about 1169.9085434341. The cubic root of 1368686 is about 111.0285347195.

Subtracting 1368686 from its reverse (6868631), we obtain a palindrome (5499945).

The spelling of 1368686 in words is "one million, three hundred sixty-eight thousand, six hundred eighty-six".