13351227 has 4 divisors (see below), whose sum is σ = 17801640. Its totient is φ = 8900816.

The previous prime is 13351213. The next prime is 13351229. The reversal of 13351227 is 72215331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13351227 - 2⁷ = 13351099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13351197 and 13351206.

It is not an unprimeable number, because it can be changed into a prime (13351229) 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, 2225202 + ... + 2225207.

It is an arithmetic number, because the mean of its divisors is an integer number (4450410).

Almost surely, 2^13351227 is an apocalyptic number.

13351227 is a deficient number, since it is larger than the sum of its proper divisors (4450413).

13351227 is an equidigital number, since it uses as much as digits as its factorization.

13351227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450412.

The product of its digits is 1260, while the sum is 24.

The square root of 13351227 is about 3653.9330864152. The cubic root of 13351227 is about 237.2322493209.

Adding to 13351227 its reverse (72215331), we get a palindrome (85566558).

It can be divided in two parts, 133 and 51227, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 13351227 in words is "thirteen million, three hundred fifty-one thousand, two hundred twenty-seven".