13501420 has 12 divisors (see below), whose sum is σ = 28353024. Its totient is φ = 5400560.

The previous prime is 13501409. The next prime is 13501421. The reversal of 13501420 is 2410531.

13501420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13501394 and 13501403.

It is not an unprimeable number, because it can be changed into a prime (13501421) 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, 337516 + ... + 337555.

It is an arithmetic number, because the mean of its divisors is an integer number (2362752).

Almost surely, 2^13501420 is an apocalyptic number.

13501420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13501420 is an abundant number, since it is smaller than the sum of its proper divisors (14851604).

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

13501420 is a wasteful number, since it uses less digits than its factorization.

13501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675080 (or 675078 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13501420 is about 3674.4278466178. The cubic root of 13501420 is about 238.1185060562.

Adding to 13501420 its reverse (2410531), we get a palindrome (15911951).

The spelling of 13501420 in words is "thirteen million, five hundred one thousand, four hundred twenty".