1327896685 has 4 divisors (see below), whose sum is σ = 1593476028. Its totient is φ = 1062317344.

The previous prime is 1327896683. The next prime is 1327896709. The reversal of 1327896685 is 5866987231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5866987231 = 7 ⋅838141033.

It can be written as a sum of positive squares in 2 ways, for example, as 192071881 + 1135824804 = 13859^2 + 33702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327896685 - 2¹ = 1327896683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327896683) 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, 132789664 + ... + 132789673.

It is an arithmetic number, because the mean of its divisors is an integer number (398369007).

Almost surely, 2^1327896685 is an apocalyptic number.

It is an amenable number.

1327896685 is a deficient number, since it is larger than the sum of its proper divisors (265579343).

1327896685 is an equidigital number, since it uses as much as digits as its factorization.

1327896685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265579342.

The product of its digits is 4354560, while the sum is 55.

The square root of 1327896685 is about 36440.3167521908. The cubic root of 1327896685 is about 1099.1444269998.

The spelling of 1327896685 in words is "one billion, three hundred twenty-seven million, eight hundred ninety-six thousand, six hundred eighty-five".