1328620327 has 4 divisors (see below), whose sum is σ = 1328805000. Its totient is φ = 1328435656.

The previous prime is 1328620313. The next prime is 1328620339. The reversal of 1328620327 is 7230268231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7230268231 = 1093 ⋅6615067.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328620327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1328620292 and 1328620301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328620387) 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, 81088 + ... + 96085.

It is an arithmetic number, because the mean of its divisors is an integer number (332201250).

Almost surely, 2^1328620327 is an apocalyptic number.

1328620327 is a deficient number, since it is larger than the sum of its proper divisors (184673).

1328620327 is an equidigital number, since it uses as much as digits as its factorization.

1328620327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184672.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1328620327 is about 36450.2445396461. The cubic root of 1328620327 is about 1099.3440516245.

Adding to 1328620327 its reverse (7230268231), we get a palindrome (8558888558).

The spelling of 1328620327 in words is "one billion, three hundred twenty-eight million, six hundred twenty thousand, three hundred twenty-seven".