13601172 has 24 divisors (see below), whose sum is σ = 34177696. Its totient is φ = 4184928.

The previous prime is 13601171. The next prime is 13601177. The reversal of 13601172 is 27110631.

13601172 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43438 + ... + 43749.

Almost surely, 2^13601172 is an apocalyptic number.

13601172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13601172 is an abundant number, since it is smaller than the sum of its proper divisors (20576524).

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

13601172 is a wasteful number, since it uses less digits than its factorization.

13601172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87207 (or 87205 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 13601172 is about 3687.9766810543. The cubic root of 13601172 is about 238.7034948665.

The spelling of 13601172 in words is "thirteen million, six hundred one thousand, one hundred seventy-two".