13501120 has 56 divisors (see below), whose sum is σ = 33211008. Its totient is φ = 5222400.

The previous prime is 13501109. The next prime is 13501129. The reversal of 13501120 is 2110531.

It is a self number, because there is not a number n which added to its sum of digits gives 13501120.

It is not an unprimeable number, because it can be changed into a prime (13501129) 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, 9240 + ... + 10600.

Almost surely, 2^13501120 is an apocalyptic number.

13501120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13501120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16605504).

13501120 is an abundant number, since it is smaller than the sum of its proper divisors (19709888).

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

13501120 is a wasteful number, since it uses less digits than its factorization.

13501120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13501120 is about 3674.3870237089. The cubic root of 13501120 is about 238.1167423879.

Adding to 13501120 its reverse (2110531), we get a palindrome (15611651).

The spelling of 13501120 in words is "thirteen million, five hundred one thousand, one hundred twenty".