1327873694 has 12 divisors (see below), whose sum is σ = 2276588664. Its totient is φ = 569030292.

The previous prime is 1327873667. The next prime is 1327873699. The reversal of 1327873694 is 4963787231.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327873699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131477 + ... + 141215.

It is an arithmetic number, because the mean of its divisors is an integer number (189715722).

Almost surely, 2^1327873694 is an apocalyptic number.

1327873694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1327873694 is a deficient number, since it is larger than the sum of its proper divisors (948714970).

1327873694 is an frugal number, since it uses more digits than its factorization.

1327873694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19487 (or 9748 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 1327873694 is about 36440.0012897914. The cubic root of 1327873694 is about 1099.1380834904.

The spelling of 1327873694 in words is "one billion, three hundred twenty-seven million, eight hundred seventy-three thousand, six hundred ninety-four".