13328685 has 16 divisors (see below), whose sum is σ = 23695680. Its totient is φ = 7108560.

The previous prime is 13328657. The next prime is 13328701. The reversal of 13328685 is 58682331.

13328685 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13328685 - 2¹² = 13324589 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49231 + ... + 49500.

It is an arithmetic number, because the mean of its divisors is an integer number (1480980).

Almost surely, 2^13328685 is an apocalyptic number.

13328685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13328685 is a deficient number, since it is larger than the sum of its proper divisors (10366995).

13328685 is an equidigital number, since it uses as much as digits as its factorization.

13328685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98745 (or 98739 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13328685 is about 3650.8471619612. The cubic root of 13328685 is about 237.0986610536.

The spelling of 13328685 in words is "thirteen million, three hundred twenty-eight thousand, six hundred eighty-five".