13526413 has 4 divisors (see below), whose sum is σ = 13538140. Its totient is φ = 13514688.

The previous prime is 13526377. The next prime is 13526417. The reversal of 13526413 is 31462531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13446889 + 79524 = 3667^2 + 282^2 .

It is a cyclic number.

It is not a de Polignac number, because 13526413 - 2¹³ = 13518221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13526417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (3384535).

Almost surely, 2^13526413 is an apocalyptic number.

It is an amenable number.

13526413 is a deficient number, since it is larger than the sum of its proper divisors (11727).

13526413 is a wasteful number, since it uses less digits than its factorization.

13526413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726.

The product of its digits is 2160, while the sum is 25.

The square root of 13526413 is about 3677.8272118195. The cubic root of 13526413 is about 238.2653456076.

Adding to 13526413 its reverse (31462531), we get a palindrome (44988944).

The spelling of 13526413 in words is "thirteen million, five hundred twenty-six thousand, four hundred thirteen".