13540530 has 32 divisors (see below), whose sum is σ = 32594688. Its totient is φ = 3600000.

The previous prime is 13540523. The next prime is 13540531. The reversal of 13540530 is 3504531.

It is a junction number, because it is equal to n+sod(n) for n = 13540497 and 13540506.

It is not an unprimeable number, because it can be changed into a prime (13540531) 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 15 ways as a sum of consecutive naturals, for example, 17655 + ... + 18405.

It is an arithmetic number, because the mean of its divisors is an integer number (1018584).

Almost surely, 2^13540530 is an apocalyptic number.

13540530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13540530 is an abundant number, since it is smaller than the sum of its proper divisors (19054158).

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

13540530 is a wasteful number, since it uses less digits than its factorization.

13540530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13540530 is about 3679.7459151414. The cubic root of 13540530 is about 238.3482062648.

The spelling of 13540530 in words is "thirteen million, five hundred forty thousand, five hundred thirty".