1346328887 has 4 divisors (see below), whose sum is σ = 1366423416. Its totient is φ = 1326234360.

The previous prime is 1346328881. The next prime is 1346328911. The reversal of 1346328887 is 7888236431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7888236431 = 269 ⋅29324299.

It is a cyclic number.

It is not a de Polignac number, because 1346328887 - 2⁴ = 1346328871 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 (1346328881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10047164 + ... + 10047297.

It is an arithmetic number, because the mean of its divisors is an integer number (341605854).

Almost surely, 2^1346328887 is an apocalyptic number.

1346328887 is a deficient number, since it is larger than the sum of its proper divisors (20094529).

1346328887 is an equidigital number, since it uses as much as digits as its factorization.

1346328887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20094528.

The product of its digits is 1548288, while the sum is 50.

The square root of 1346328887 is about 36692.3546123712. The cubic root of 1346328887 is about 1104.2067256122.

The spelling of 1346328887 in words is "one billion, three hundred forty-six million, three hundred twenty-eight thousand, eight hundred eighty-seven".