13628785 has 8 divisors (see below), whose sum is σ = 16390080. Its totient is φ = 10879344.

The previous prime is 13628773. The next prime is 13628801. The reversal of 13628785 is 58782631.

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 13628785 - 2⁹ = 13628273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 5224.

It is an arithmetic number, because the mean of its divisors is an integer number (2048760).

Almost surely, 2^13628785 is an apocalyptic number.

It is an amenable number.

13628785 is a deficient number, since it is larger than the sum of its proper divisors (2761295).

13628785 is an equidigital number, since it uses as much as digits as its factorization.

13628785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927.

The product of its digits is 80640, while the sum is 40.

The square root of 13628785 is about 3691.7184345505. The cubic root of 13628785 is about 238.8649237021.

The spelling of 13628785 in words is "thirteen million, six hundred twenty-eight thousand, seven hundred eighty-five".