13524424 has 16 divisors (see below), whose sum is σ = 25977420. Its totient is φ = 6597120.

The previous prime is 13524421. The next prime is 13524431. The reversal of 13524424 is 42442531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12040900 + 1483524 = 3470^2 + 1218^2 .

It is not an unprimeable number, because it can be changed into a prime (13524421) 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, 20289 + ... + 20944.

Almost surely, 2^13524424 is an apocalyptic number.

It is an amenable number.

13524424 is a deficient number, since it is larger than the sum of its proper divisors (12452996).

13524424 is a wasteful number, since it uses less digits than its factorization.

13524424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41280 (or 41276 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 13524424 is about 3677.5567976579. The cubic root of 13524424 is about 238.2536664087.

Adding to 13524424 its reverse (42442531), we get a palindrome (55966955).

It can be divided in two parts, 1352 and 4424, that added together give a square (5776 = 76²).

The spelling of 13524424 in words is "thirteen million, five hundred twenty-four thousand, four hundred twenty-four".