13385850 has 48 divisors (see below), whose sum is σ = 33426432. Its totient is φ = 3544960.

The previous prime is 13385837. The next prime is 13385873. The reversal of 13385850 is 5858331.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34759 + ... + 35141.

It is an arithmetic number, because the mean of its divisors is an integer number (696384).

Almost surely, 2^13385850 is an apocalyptic number.

13385850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13385850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16713216).

13385850 is an abundant number, since it is smaller than the sum of its proper divisors (20040582).

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

13385850 is a wasteful number, since it uses less digits than its factorization.

13385850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 13385850 is about 3658.6677903302. The cubic root of 13385850 is about 237.4371394118.

The spelling of 13385850 in words is "thirteen million, three hundred eighty-five thousand, eight hundred fifty".