13133227 has 4 divisors (see below), whose sum is σ = 13172536. Its totient is φ = 13093920.

The previous prime is 13133213. The next prime is 13133233. The reversal of 13133227 is 72233131.

It is a happy number.

13133227 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72233131 = 31 ⋅2330101.

It is a cyclic number.

It is not a de Polignac number, because 13133227 - 2¹¹ = 13131179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13133198 and 13133207.

It is not an unprimeable number, because it can be changed into a prime (13193227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19149 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (3293134).

Almost surely, 2^13133227 is an apocalyptic number.

13133227 is a deficient number, since it is larger than the sum of its proper divisors (39309).

13133227 is an equidigital number, since it uses as much as digits as its factorization.

13133227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39308.

The product of its digits is 756, while the sum is 22.

The square root of 13133227 is about 3623.9794425465. The cubic root of 13133227 is about 235.9339743958.

Adding to 13133227 its reverse (72233131), we get a palindrome (85366358).

The spelling of 13133227 in words is "thirteen million, one hundred thirty-three thousand, two hundred twenty-seven".