13254240 has 96 divisors (see below), whose sum is σ = 42620256. Its totient is φ = 3461120.

The previous prime is 13254239. The next prime is 13254257. The reversal of 13254240 is 4245231.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 25180 + ... + 25700.

It is an arithmetic number, because the mean of its divisors is an integer number (443961).

Almost surely, 2^13254240 is an apocalyptic number.

13254240 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 13254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21310128).

13254240 is an abundant number, since it is smaller than the sum of its proper divisors (29366016).

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

13254240 is a wasteful number, since it uses less digits than its factorization.

13254240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13254240 is about 3640.6373068462. The cubic root of 13254240 is about 236.6564125249.

Adding to 13254240 its reverse (4245231), we get a palindrome (17499471).

Subtracting from 13254240 its reverse (4245231), we obtain a palindrome (9009009).

It can be divided in two parts, 1325 and 4240, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 13254240 in words is "thirteen million, two hundred fifty-four thousand, two hundred forty".