13504326 has 64 divisors (see below), whose sum is σ = 31622400. Its totient is φ = 3833280.

The previous prime is 13504301. The next prime is 13504331. The reversal of 13504326 is 62340531.

It is a happy number.

13504326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13504296 and 13504305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151690 + ... + 151778.

It is an arithmetic number, because the mean of its divisors is an integer number (494100).

Almost surely, 2^13504326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13504326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15811200).

13504326 is an abundant number, since it is smaller than the sum of its proper divisors (18118074).

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

13504326 is a wasteful number, since it uses less digits than its factorization.

13504326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13504326 is about 3674.8232610562. The cubic root of 13504326 is about 238.1355887714.

Adding to 13504326 its reverse (62340531), we get a palindrome (75844857).

The spelling of 13504326 in words is "thirteen million, five hundred four thousand, three hundred twenty-six".