13386870 has 96 divisors (see below), whose sum is σ = 41303808. Its totient is φ = 3055968.

The previous prime is 13386853. The next prime is 13386883. The reversal of 13386870 is 7868331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16617 + ... + 17403.

It is an arithmetic number, because the mean of its divisors is an integer number (430248).

Almost surely, 2^13386870 is an apocalyptic number.

13386870 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 13386870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20651904).

13386870 is an abundant number, since it is smaller than the sum of its proper divisors (27916938).

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

13386870 is an equidigital number, since it uses as much as digits as its factorization.

13386870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13386870 is about 3658.8071826758. The cubic root of 13386870 is about 237.4431701515.

The spelling of 13386870 in words is "thirteen million, three hundred eighty-six thousand, eight hundred seventy".