13704020 has 48 divisors (see below), whose sum is σ = 31667328. Its totient is φ = 4940160.

The previous prime is 13704013. The next prime is 13704029. The reversal of 13704020 is 2040731.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13704020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13704029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36554 + ... + 36926.

It is an arithmetic number, because the mean of its divisors is an integer number (659736).

Almost surely, 2^13704020 is an apocalyptic number.

13704020 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 13704020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15833664).

13704020 is an abundant number, since it is smaller than the sum of its proper divisors (17963308).

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

13704020 is a wasteful number, since it uses less digits than its factorization.

13704020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 13704020 is about 3701.8941097768. The cubic root of 13704020 is about 239.3036528363.

Adding to 13704020 its reverse (2040731), we get a palindrome (15744751).

The spelling of 13704020 in words is "thirteen million, seven hundred four thousand, twenty".