13384340 has 24 divisors (see below), whose sum is σ = 28181832. Its totient is φ = 5339520.

The previous prime is 13384339. The next prime is 13384369. The reversal of 13384340 is 4348331.

It can be written as a sum of positive squares in 4 ways, for example, as 2067844 + 11316496 = 1438^2 + 3364^2 .

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 7 ways as a sum of consecutive naturals, for example, 10202 + ... + 11438.

It is an arithmetic number, because the mean of its divisors is an integer number (1174243).

Almost surely, 2^13384340 is an apocalyptic number.

13384340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13384340 is an abundant number, since it is smaller than the sum of its proper divisors (14797492).

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

13384340 is a wasteful number, since it uses less digits than its factorization.

13384340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 13384340 is about 3658.4614252442. The cubic root of 13384340 is about 237.4282109895.

The spelling of 13384340 in words is "thirteen million, three hundred eighty-four thousand, three hundred forty".