13000726 has 8 divisors (see below), whose sum is σ = 19535040. Its totient is φ = 6489048.

The previous prime is 13000723. The next prime is 13000751. The reversal of 13000726 is 62700031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141 + ... + 6568.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^13000726 is an apocalyptic number.

13000726 is a deficient number, since it is larger than the sum of its proper divisors (6534314).

13000726 is a wasteful number, since it uses less digits than its factorization.

13000726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13000726 is about 3605.6519521440. The cubic root of 13000726 is about 235.1378457906.

Adding to 13000726 its reverse (62700031), we get a palindrome (75700757).

It can be divided in two parts, 1300072 and 6, that added together give a triangular number (1300078 = T₁₆₁₂).

The spelling of 13000726 in words is "thirteen million, seven hundred twenty-six", and thus it is an aban number.