13726260 has 120 divisors (see below), whose sum is σ = 44416680. Its totient is φ = 3545856.

The previous prime is 13726249. The next prime is 13726283. The reversal of 13726260 is 6262731.

It is a happy number.

13726260 is a `hidden beast` number, since 1 + 37 + 2 + 626 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7193124 + 6533136 = 2682^2 + 2556^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 59826 + ... + 60054.

It is an arithmetic number, because the mean of its divisors is an integer number (370139).

Almost surely, 2^13726260 is an apocalyptic number.

13726260 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 13726260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22208340).

13726260 is an abundant number, since it is smaller than the sum of its proper divisors (30690420).

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

13726260 is a wasteful number, since it uses less digits than its factorization.

13726260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13726260 is about 3704.8967596952. The cubic root of 13726260 is about 239.4330366905.

Adding to 13726260 its reverse (6262731), we get a palindrome (19988991).

The spelling of 13726260 in words is "thirteen million, seven hundred twenty-six thousand, two hundred sixty".