13228633 has 4 divisors (see below), whose sum is σ = 14431248. Its totient is φ = 12026020.

The previous prime is 13228627. The next prime is 13228639. The reversal of 13228633 is 33682231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13228627) and next prime (13228639).

It is a cyclic number.

It is not a de Polignac number, because 13228633 - 2⁹ = 13228121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13228639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601291 + ... + 601312.

It is an arithmetic number, because the mean of its divisors is an integer number (3607812).

Almost surely, 2^13228633 is an apocalyptic number.

It is an amenable number.

13228633 is a deficient number, since it is larger than the sum of its proper divisors (1202615).

13228633 is a wasteful number, since it uses less digits than its factorization.

13228633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202614.

The product of its digits is 5184, while the sum is 28.

The square root of 13228633 is about 3637.1187772741. The cubic root of 13228633 is about 236.5039086821.

It can be divided in two parts, 13228 and 633, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13228633 in words is "thirteen million, two hundred twenty-eight thousand, six hundred thirty-three".