13317428 has 12 divisors (see below), whose sum is σ = 23355360. Its totient is φ = 6644472.

The previous prime is 13317413. The next prime is 13317457. The reversal of 13317428 is 82471331.

13317428 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 13317428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (1946280).

Almost surely, 2^13317428 is an apocalyptic number.

It is an amenable number.

13317428 is a deficient number, since it is larger than the sum of its proper divisors (10037932).

13317428 is a wasteful number, since it uses less digits than its factorization.

13317428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7124 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 13317428 is about 3649.3051393382. The cubic root of 13317428 is about 237.0318934925.

Adding to 13317428 its reverse (82471331), we get a palindrome (95788759).

The spelling of 13317428 in words is "thirteen million, three hundred seventeen thousand, four hundred twenty-eight".