13385620 has 24 divisors (see below), whose sum is σ = 28274400. Its totient is φ = 5322912.

The previous prime is 13385611. The next prime is 13385677. The reversal of 13385620 is 2658331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (1178100).

Almost surely, 2^13385620 is an apocalyptic number.

13385620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13385620 is an abundant number, since it is smaller than the sum of its proper divisors (14888780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13385620 is a wasteful number, since it uses less digits than its factorization.

13385620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13385620 is about 3658.6363579891. The cubic root of 13385620 is about 237.4357794968.

The spelling of 13385620 in words is "thirteen million, three hundred eighty-five thousand, six hundred twenty".