13420726 has 32 divisors (see below), whose sum is σ = 23425920. Its totient is φ = 5702400.

The previous prime is 13420723. The next prime is 13420727. The reversal of 13420726 is 62702431.

13420726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13420726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40381 + ... + 40711.

It is an arithmetic number, because the mean of its divisors is an integer number (732060).

Almost surely, 2^13420726 is an apocalyptic number.

13420726 is a deficient number, since it is larger than the sum of its proper divisors (10005194).

13420726 is a wasteful number, since it uses less digits than its factorization.

13420726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13420726 is about 3663.4309055856. The cubic root of 13420726 is about 237.6431698173.

The spelling of 13420726 in words is "thirteen million, four hundred twenty thousand, seven hundred twenty-six".