13560240 has 40 divisors (see below), whose sum is σ = 42037488. Its totient is φ = 3616000.

The previous prime is 13560229. The next prime is 13560251. The reversal of 13560240 is 4206531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13560229) and next prime (13560251).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28011 + ... + 28490.

Almost surely, 2^13560240 is an apocalyptic number.

13560240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13560240 is an abundant number, since it is smaller than the sum of its proper divisors (28477248).

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

13560240 is a wasteful number, since it uses less digits than its factorization.

13560240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56517 (or 56511 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13560240 is about 3682.4231152870. The cubic root of 13560240 is about 238.4637991194.

Adding to 13560240 its reverse (4206531), we get a palindrome (17766771).

The spelling of 13560240 in words is "thirteen million, five hundred sixty thousand, two hundred forty".