13591072 has 24 divisors (see below), whose sum is σ = 29190672. Its totient is φ = 6177600.

The previous prime is 13591069. The next prime is 13591079. The reversal of 13591072 is 27019531.

It is a self number, because there is not a number n which added to its sum of digits gives 13591072.

It is not an unprimeable number, because it can be changed into a prime (13591079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18954 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (1216278).

Almost surely, 2^13591072 is an apocalyptic number.

It is an amenable number.

13591072 is an abundant number, since it is smaller than the sum of its proper divisors (15599600).

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

13591072 is a wasteful number, since it uses less digits than its factorization.

13591072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38632 (or 38624 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13591072 is about 3686.6071122375. The cubic root of 13591072 is about 238.6443945107.

The spelling of 13591072 in words is "thirteen million, five hundred ninety-one thousand, seventy-two".