13545530 has 16 divisors (see below), whose sum is σ = 24620544. Its totient is φ = 5365200.

The previous prime is 13545527. The next prime is 13545547. The reversal of 13545530 is 3554531.

13545530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13545530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5546 + ... + 7605.

It is an arithmetic number, because the mean of its divisors is an integer number (1538784).

Almost surely, 2^13545530 is an apocalyptic number.

13545530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13545530 is a deficient number, since it is larger than the sum of its proper divisors (11075014).

13545530 is a wasteful number, since it uses less digits than its factorization.

13545530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 13545530 is about 3680.4252471691. The cubic root of 13545530 is about 238.3775402809.

Subtracting from 13545530 its reverse (3554531), we obtain a palindrome (9990999).

The spelling of 13545530 in words is "thirteen million, five hundred forty-five thousand, five hundred thirty".