13227946 has 4 divisors (see below), whose sum is σ = 19841922. Its totient is φ = 6613972.

The previous prime is 13227943. The next prime is 13227947. The reversal of 13227946 is 64972231.

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

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 2436721 = 3285^2 + 1561^2 .

It is not an unprimeable number, because it can be changed into a prime (13227941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306985 + ... + 3306988.

Almost surely, 2^13227946 is an apocalyptic number.

13227946 is a deficient number, since it is larger than the sum of its proper divisors (6613976).

13227946 is an equidigital number, since it uses as much as digits as its factorization.

13227946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613975.

The product of its digits is 18144, while the sum is 34.

The square root of 13227946 is about 3637.0243331603. The cubic root of 13227946 is about 236.4998145076.

The spelling of 13227946 in words is "thirteen million, two hundred twenty-seven thousand, nine hundred forty-six".