13334840 has 64 divisors (see below), whose sum is σ = 31570560. Its totient is φ = 5063680.

The previous prime is 13334831. The next prime is 13334843. The reversal of 13334840 is 4843331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13334843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 76994 + ... + 77166.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^13334840 is an apocalyptic number.

13334840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13334840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15785280).

13334840 is an abundant number, since it is smaller than the sum of its proper divisors (18235720).

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

13334840 is a wasteful number, since it uses less digits than its factorization.

13334840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

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

The square root of 13334840 is about 3651.6900197032. The cubic root of 13334840 is about 237.1351517172.

The spelling of 13334840 in words is "thirteen million, three hundred thirty-four thousand, eight hundred forty".