13523404 has 12 divisors (see below), whose sum is σ = 24169824. Its totient is φ = 6617744.

The previous prime is 13523387. The next prime is 13523413. The reversal of 13523404 is 40432531.

It is an unprimeable number.

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, 35779 + ... + 36154.

It is an arithmetic number, because the mean of its divisors is an integer number (2014152).

Almost surely, 2^13523404 is an apocalyptic number.

It is an amenable number.

13523404 is a deficient number, since it is larger than the sum of its proper divisors (10646420).

13523404 is a wasteful number, since it uses less digits than its factorization.

13523404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71984 (or 71982 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13523404 is about 3677.4181160156. The cubic root of 13523404 is about 238.2476766318.

Adding to 13523404 its reverse (40432531), we get a palindrome (53955935).

The spelling of 13523404 in words is "thirteen million, five hundred twenty-three thousand, four hundred four".