13040368 has 20 divisors (see below), whose sum is σ = 27562968. Its totient is φ = 5927360.

The previous prime is 13040359. The next prime is 13040381. The reversal of 13040368 is 86304031.

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, 36871 + ... + 37222.

Almost surely, 2^13040368 is an apocalyptic number.

It is an amenable number.

13040368 is an abundant number, since it is smaller than the sum of its proper divisors (14522600).

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

13040368 is a wasteful number, since it uses less digits than its factorization.

13040368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74112 (or 74106 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13040368 is about 3611.1449707814. The cubic root of 13040368 is about 235.3765985148.

Adding to 13040368 its reverse (86304031), we get a palindrome (99344399).

The spelling of 13040368 in words is "thirteen million, forty thousand, three hundred sixty-eight".