13268540 has 24 divisors (see below), whose sum is σ = 27967632. Its totient is φ = 5287680.

The previous prime is 13268531. The next prime is 13268561. The reversal of 13268540 is 4586231.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 5060 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (1165318).

Almost surely, 2^13268540 is an apocalyptic number.

13268540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13268540 is an abundant number, since it is smaller than the sum of its proper divisors (14699092).

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

13268540 is a wasteful number, since it uses less digits than its factorization.

13268540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13268540 is about 3642.6007192664. The cubic root of 13268540 is about 236.7414914723.

The spelling of 13268540 in words is "thirteen million, two hundred sixty-eight thousand, five hundred forty".