13500726 has 16 divisors (see below), whose sum is σ = 27660528. Its totient is φ = 4390400.

The previous prime is 13500691. The next prime is 13500733. The reversal of 13500726 is 62700531.

It is a junction number, because it is equal to n+sod(n) for n = 13500696 and 13500705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27195 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (1728783).

Almost surely, 2^13500726 is an apocalyptic number.

13500726 is an abundant number, since it is smaller than the sum of its proper divisors (14159802).

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

13500726 is a wasteful number, since it uses less digits than its factorization.

13500726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54927.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13500726 is about 3674.3334089328. Note that the first 3 decimals coincide. The cubic root of 13500726 is about 238.1144260638.

The spelling of 13500726 in words is "thirteen million, five hundred thousand, seven hundred twenty-six".