13545306 has 48 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 4411584.

The previous prime is 13545283. The next prime is 13545313. The reversal of 13545306 is 60354531.

13545306 is a `hidden beast` number, since 1 + 354 + 5 + 306 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13545306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22546 + ... + 23138.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 2^13545306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13545306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15567552).

13545306 is an abundant number, since it is smaller than the sum of its proper divisors (17589798).

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

13545306 is an equidigital number, since it uses as much as digits as its factorization.

13545306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 13545306 is about 3680.3948157772. The cubic root of 13545306 is about 238.3762262714.

Adding to 13545306 its reverse (60354531), we get a palindrome (73899837).

The spelling of 13545306 in words is "thirteen million, five hundred forty-five thousand, three hundred six".