13256726 has 16 divisors (see below), whose sum is σ = 23210496. Its totient is φ = 5560296.

The previous prime is 13256723. The next prime is 13256759. The reversal of 13256726 is 62765231.

It is a junction number, because it is equal to n+sod(n) for n = 13256692 and 13256701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9416 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (1450656).

Almost surely, 2^13256726 is an apocalyptic number.

13256726 is a deficient number, since it is larger than the sum of its proper divisors (9953770).

13256726 is a wasteful number, since it uses less digits than its factorization.

13256726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20203.

The product of its digits is 15120, while the sum is 32.

The square root of 13256726 is about 3640.9787145766. The cubic root of 13256726 is about 236.6712075657.

The spelling of 13256726 in words is "thirteen million, two hundred fifty-six thousand, seven hundred twenty-six".