13601872 has 40 divisors (see below), whose sum is σ = 28078560. Its totient is φ = 6364800.

The previous prime is 13601869. The next prime is 13601879. The reversal of 13601872 is 27810631.

It is a self number, because there is not a number n which added to its sum of digits gives 13601872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601879) 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, 30483 + ... + 30925.

It is an arithmetic number, because the mean of its divisors is an integer number (701964).

Almost surely, 2^13601872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13601872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14039280).

13601872 is an abundant number, since it is smaller than the sum of its proper divisors (14476688).

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

13601872 is a wasteful number, since it uses less digits than its factorization.

13601872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 13601872 is about 3688.0715828194. The cubic root of 13601872 is about 238.7075898464.

The spelling of 13601872 in words is "thirteen million, six hundred one thousand, eight hundred seventy-two".