13132540 has 24 divisors (see below), whose sum is σ = 28778400. Its totient is φ = 5024448.

The previous prime is 13132519. The next prime is 13132547. The reversal of 13132540 is 4523131.

13132540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13815 + ... + 14734.

It is an arithmetic number, because the mean of its divisors is an integer number (1199100).

Almost surely, 2^13132540 is an apocalyptic number.

13132540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132540 is an abundant number, since it is smaller than the sum of its proper divisors (15645860).

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

13132540 is a wasteful number, since it uses less digits than its factorization.

13132540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28581 (or 28579 counting only the distinct ones).

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

The square root of 13132540 is about 3623.8846560011. The cubic root of 13132540 is about 235.9298604166.

Adding to 13132540 its reverse (4523131), we get a palindrome (17655671).

The spelling of 13132540 in words is "thirteen million, one hundred thirty-two thousand, five hundred forty".