13523146 has 32 divisors (see below), whose sum is σ = 25361280. Its totient is φ = 5265216.

The previous prime is 13523129. The next prime is 13523173. The reversal of 13523146 is 64132531.

13523146 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 13523146.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11640 + ... + 12748.

It is an arithmetic number, because the mean of its divisors is an integer number (792540).

Almost surely, 2^13523146 is an apocalyptic number.

13523146 is a deficient number, since it is larger than the sum of its proper divisors (11838134).

13523146 is a wasteful number, since it uses less digits than its factorization.

13523146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its digits is 2160, while the sum is 25.

The square root of 13523146 is about 3677.3830368891. The cubic root of 13523146 is about 238.2461615228.

Adding to 13523146 its reverse (64132531), we get a palindrome (77655677).

The spelling of 13523146 in words is "thirteen million, five hundred twenty-three thousand, one hundred forty-six".