13400560 has 40 divisors (see below), whose sum is σ = 31355136. Its totient is φ = 5326080.

The previous prime is 13400551. The next prime is 13400561. The reversal of 13400560 is 6500431.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400561) by changing a digit.

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, 14842 + ... + 15718.

Almost surely, 2^13400560 is an apocalyptic number.

13400560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13400560 is an abundant number, since it is smaller than the sum of its proper divisors (17954576).

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

13400560 is a wasteful number, since it uses less digits than its factorization.

13400560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13400560 is about 3660.6775329166. The cubic root of 13400560 is about 237.5240825072.

Adding to 13400560 its reverse (6500431), we get a palindrome (19900991).

The spelling of 13400560 in words is "thirteen million, four hundred thousand, five hundred sixty".