13501072 has 30 divisors (see below), whose sum is σ = 28330962. Its totient is φ = 6230016.

The previous prime is 13501063. The next prime is 13501073. The reversal of 13501072 is 27010531.

It can be written as a sum of positive squares in 3 ways, for example, as 76176 + 13424896 = 276^2 + 3664^2 .

It is not an unprimeable number, because it can be changed into a prime (13501073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208 + ... + 5200.

Almost surely, 2^13501072 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 13501072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14165481).

13501072 is an abundant number, since it is smaller than the sum of its proper divisors (14829890).

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

13501072 is a wasteful number, since it uses less digits than its factorization.

13501072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 13501072 is about 3674.3804920013. The cubic root of 13501072 is about 238.1164601985.

The spelling of 13501072 in words is "thirteen million, five hundred one thousand, seventy-two".