13514240 has 40 divisors (see below), whose sum is σ = 32408640. Its totient is φ = 5404672.

The previous prime is 13514227. The next prime is 13514251. The reversal of 13514240 is 4241531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (810216).

Almost surely, 2^13514240 is an apocalyptic number.

13514240 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 13514240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16204320).

13514240 is an abundant number, since it is smaller than the sum of its proper divisors (18894400).

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

13514240 is an frugal number, since it uses more digits than its factorization.

13514240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302 (or 5286 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13514240 is about 3676.1719219862. The cubic root of 13514240 is about 238.1938490832.

Adding to 13514240 its reverse (4241531), we get a palindrome (17755771).

The spelling of 13514240 in words is "thirteen million, five hundred fourteen thousand, two hundred forty".