13530506 has 16 divisors (see below), whose sum is σ = 22292928. Its totient is φ = 6108000.

The previous prime is 13530499. The next prime is 13530523. The reversal of 13530506 is 60503531.

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, 1286 + ... + 5358.

It is an arithmetic number, because the mean of its divisors is an integer number (1393308).

Almost surely, 2^13530506 is an apocalyptic number.

13530506 is a deficient number, since it is larger than the sum of its proper divisors (8762422).

13530506 is a wasteful number, since it uses less digits than its factorization.

13530506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 13530506 is about 3678.3836124037. The cubic root of 13530506 is about 238.2893756717.

The spelling of 13530506 in words is "thirteen million, five hundred thirty thousand, five hundred six".