13140568 has 16 divisors (see below), whose sum is σ = 28158480. Its totient is φ = 5631648.

The previous prime is 13140557. The next prime is 13140577. The reversal of 13140568 is 86504131.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 117271 + ... + 117382.

It is an arithmetic number, because the mean of its divisors is an integer number (1759905).

Almost surely, 2^13140568 is an apocalyptic number.

It is an amenable number.

13140568 is an abundant number, since it is smaller than the sum of its proper divisors (15017912).

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

13140568 is a wasteful number, since it uses less digits than its factorization.

13140568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234666 (or 234662 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13140568 is about 3624.9921379225. The cubic root of 13140568 is about 235.9779257339.

Adding to 13140568 its reverse (86504131), we get a palindrome (99644699).

The spelling of 13140568 in words is "thirteen million, one hundred forty thousand, five hundred sixty-eight".