13227451 has 4 divisors (see below), whose sum is σ = 13683600. Its totient is φ = 12771304.

The previous prime is 13227433. The next prime is 13227457. The reversal of 13227451 is 15472231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15472231 = 193 ⋅80167.

It is a cyclic number.

It is not a de Polignac number, because 13227451 - 2⁵ = 13227419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13227457) 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, 228031 + ... + 228088.

It is an arithmetic number, because the mean of its divisors is an integer number (3420900).

Almost surely, 2^13227451 is an apocalyptic number.

13227451 is a deficient number, since it is larger than the sum of its proper divisors (456149).

13227451 is an equidigital number, since it uses as much as digits as its factorization.

13227451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456148.

The product of its digits is 1680, while the sum is 25.

The square root of 13227451 is about 3636.9562823878. The cubic root of 13227451 is about 236.4968644686.

Adding to 13227451 its reverse (15472231), we get a palindrome (28699682).

The spelling of 13227451 in words is "thirteen million, two hundred twenty-seven thousand, four hundred fifty-one".