13228335 has 24 divisors (see below), whose sum is σ = 23927904. Its totient is φ = 6747840.

The previous prime is 13228333. The next prime is 13228339. The reversal of 13228335 is 53382231.

13228335 is a `hidden beast` number, since 1 + 322 + 8 + 335 = 666.

It is not a de Polignac number, because 13228335 - 2¹ = 13228333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13228299 and 13228308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13228333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5356 + ... + 7425.

It is an arithmetic number, because the mean of its divisors is an integer number (996996).

Almost surely, 2^13228335 is an apocalyptic number.

13228335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13228335 is a deficient number, since it is larger than the sum of its proper divisors (10699569).

13228335 is a wasteful number, since it uses less digits than its factorization.

13228335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815 (or 12812 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 13228335 is about 3637.0778105507. The cubic root of 13228335 is about 236.5021327694.

The spelling of 13228335 in words is "thirteen million, two hundred twenty-eight thousand, three hundred thirty-five".