13605124 has 12 divisors (see below), whose sum is σ = 25640524. Its totient is φ = 6279264.

The previous prime is 13605113. The next prime is 13605127. The reversal of 13605124 is 42150631.

It can be written as a sum of positive squares in 2 ways, for example, as 4796100 + 8809024 = 2190^2 + 2968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13605095 and 13605104.

It is not an unprimeable number, because it can be changed into a prime (13605127) 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 3 ways as a sum of consecutive naturals, for example, 130767 + ... + 130870.

Almost surely, 2^13605124 is an apocalyptic number.

It is an amenable number.

13605124 is a deficient number, since it is larger than the sum of its proper divisors (12035400).

13605124 is a wasteful number, since it uses less digits than its factorization.

13605124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261654 (or 261652 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13605124 is about 3688.5124372842. The cubic root of 13605124 is about 238.7266121110.

Adding to 13605124 its reverse (42150631), we get a palindrome (55755755).

The spelling of 13605124 in words is "thirteen million, six hundred five thousand, one hundred twenty-four".