13428755 has 8 divisors (see below), whose sum is σ = 16214352. Its totient is φ = 10676448.

The previous prime is 13428731. The next prime is 13428773. The reversal of 13428755 is 55782431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13428755 - 2¹⁶ = 13363219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7424 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (2026794).

Almost surely, 2^13428755 is an apocalyptic number.

13428755 is a deficient number, since it is larger than the sum of its proper divisors (2785597).

13428755 is a wasteful number, since it uses less digits than its factorization.

13428755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16645.

The product of its digits is 33600, while the sum is 35.

The square root of 13428755 is about 3664.5265724238. The cubic root of 13428755 is about 237.6905506779.

The spelling of 13428755 in words is "thirteen million, four hundred twenty-eight thousand, seven hundred fifty-five".