13397826 has 32 divisors (see below), whose sum is σ = 29856960. Its totient is φ = 3979584.

The previous prime is 13397807. The next prime is 13397827. The reversal of 13397826 is 62879331.

13397826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13397827) 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, 700 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (933030).

Almost surely, 2^13397826 is an apocalyptic number.

13397826 is an abundant number, since it is smaller than the sum of its proper divisors (16459134).

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

13397826 is a wasteful number, since it uses less digits than its factorization.

13397826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970.

The product of its digits is 54432, while the sum is 39.

The square root of 13397826 is about 3660.3040857284. The cubic root of 13397826 is about 237.5079280825.

The spelling of 13397826 in words is "thirteen million, three hundred ninety-seven thousand, eight hundred twenty-six".