13501340 has 12 divisors (see below), whose sum is σ = 28352856. Its totient is φ = 5400528.

The previous prime is 13501339. The next prime is 13501351. The reversal of 13501340 is 4310531.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337514 + ... + 337553.

It is an arithmetic number, because the mean of its divisors is an integer number (2362738).

Almost surely, 2^13501340 is an apocalyptic number.

13501340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13501340 is an abundant number, since it is smaller than the sum of its proper divisors (14851516).

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

13501340 is a wasteful number, since it uses less digits than its factorization.

13501340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675076 (or 675074 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13501340 is about 3674.4169605531. The cubic root of 13501340 is about 238.1180357472.

Adding to 13501340 its reverse (4310531), we get a palindrome (17811871).

The spelling of 13501340 in words is "thirteen million, five hundred one thousand, three hundred forty".