13330387 has 16 divisors (see below), whose sum is σ = 15845632. Its totient is φ = 10977120.

The previous prime is 13330379. The next prime is 13330423. The reversal of 13330387 is 78303331.

It is not a de Polignac number, because 13330387 - 2³ = 13330379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13330307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19837 + ... + 20497.

It is an arithmetic number, because the mean of its divisors is an integer number (990352).

Almost surely, 2^13330387 is an apocalyptic number.

13330387 is a deficient number, since it is larger than the sum of its proper divisors (2515245).

13330387 is an equidigital number, since it uses as much as digits as its factorization.

13330387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 13330387 is about 3651.0802511038. The cubic root of 13330387 is about 237.1087526905.

The spelling of 13330387 in words is "thirteen million, three hundred thirty thousand, three hundred eighty-seven".