13228235885 has 16 divisors (see below), whose sum is σ = 16486727040. Its totient is φ = 10176936000.

The previous prime is 13228235873. The next prime is 13228235953. The reversal of 13228235885 is 58853282231.

It is not a de Polignac number, because 13228235885 - 2⁶ = 13228235821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145337 + ... + 218126.

It is an arithmetic number, because the mean of its divisors is an integer number (1030420440).

Almost surely, 2^13228235885 is an apocalyptic number.

It is an amenable number.

13228235885 is a deficient number, since it is larger than the sum of its proper divisors (3258491155).

13228235885 is a wasteful number, since it uses less digits than its factorization.

13228235885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363748.

The product of its digits is 921600, while the sum is 47.

The spelling of 13228235885 in words is "thirteen billion, two hundred twenty-eight million, two hundred thirty-five thousand, eight hundred eighty-five".