13530818 has 16 divisors (see below), whose sum is σ = 23944704. Its totient is φ = 5611680.

The previous prime is 13530809. The next prime is 13530823. The reversal of 13530818 is 81803531.

It is a cake number, because a cake can be divided into 13530818 parts by 433 planar cuts.

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, 15155 + ... + 16022.

It is an arithmetic number, because the mean of its divisors is an integer number (1496544).

Almost surely, 2^13530818 is an apocalyptic number.

13530818 is a deficient number, since it is larger than the sum of its proper divisors (10413886).

13530818 is a wasteful number, since it uses less digits than its factorization.

13530818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31217.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 13530818 is about 3678.4260220915. The cubic root of 13530818 is about 238.2912072295.

The spelling of 13530818 in words is "thirteen million, five hundred thirty thousand, eight hundred eighteen".