1368427 has 4 divisors (see below), whose sum is σ = 1371960. Its totient is φ = 1364896.

The previous prime is 1368401. The next prime is 1368439. The reversal of 1368427 is 7248631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1368427 - 2¹⁹ = 844139 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 1 + 3⁵ + 6⁷ + 8³ + 4⁹ + 2¹¹ + 7⁷ .

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1368467) 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, 1102 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (342990).

2^1368427 is an apocalyptic number.

1368427 is a deficient number, since it is larger than the sum of its proper divisors (3533).

1368427 is an equidigital number, since it uses as much as digits as its factorization.

1368427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532.

The product of its digits is 8064, while the sum is 31.

The square root of 1368427 is about 1169.7978457836. The cubic root of 1368427 is about 111.0215308719.

The spelling of 1368427 in words is "one million, three hundred sixty-eight thousand, four hundred twenty-seven".