13704210 has 144 divisors (see below), whose sum is σ = 41622984. Its totient is φ = 3115008.

The previous prime is 13704203. The next prime is 13704241. The reversal of 13704210 is 1240731.

It can be written as a sum of positive squares in 12 ways, for example, as 505521 + 13198689 = 711^2 + 3633^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 258544 + ... + 258596.

Almost surely, 2^13704210 is an apocalyptic number.

13704210 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 13704210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20811492).

13704210 is an abundant number, since it is smaller than the sum of its proper divisors (27918774).

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

13704210 is a wasteful number, since it uses less digits than its factorization.

13704210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13704210 is about 3701.9197722263. The cubic root of 13704210 is about 239.3047587766.

Adding to 13704210 its reverse (1240731), we get a palindrome (14944941).

The spelling of 13704210 in words is "thirteen million, seven hundred four thousand, two hundred ten".