13404524 has 24 divisors (see below), whose sum is σ = 27675648. Its totient is φ = 5559120.

The previous prime is 13404511. The next prime is 13404529. The reversal of 13404524 is 42540431.

It is a self number, because there is not a number n which added to its sum of digits gives 13404524.

It is not an unprimeable number, because it can be changed into a prime (13404529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6854 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (1153152).

Almost surely, 2^13404524 is an apocalyptic number.

13404524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13404524 is an abundant number, since it is smaller than the sum of its proper divisors (14271124).

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

13404524 is a wasteful number, since it uses less digits than its factorization.

13404524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13404524 is about 3661.2189227087. The cubic root of 13404524 is about 237.5475007484.

Adding to 13404524 its reverse (42540431), we get a palindrome (55944955).

The spelling of 13404524 in words is "thirteen million, four hundred four thousand, five hundred twenty-four".