13227194 has 4 divisors (see below), whose sum is σ = 19840794. Its totient is φ = 6613596.

The previous prime is 13227143. The next prime is 13227197. The reversal of 13227194 is 49172231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49172231 = 31 ⋅1586201.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 5736025 = 2737^2 + 2395^2 .

It is a super-2 number, since 2×13227194² = 349917322227272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13227197) 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 as a sum of consecutive naturals, namely, 3306797 + ... + 3306800.

Almost surely, 2^13227194 is an apocalyptic number.

13227194 is a deficient number, since it is larger than the sum of its proper divisors (6613600).

13227194 is an equidigital number, since it uses as much as digits as its factorization.

13227194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613599.

The product of its digits is 3024, while the sum is 29.

The square root of 13227194 is about 3636.9209504745. The cubic root of 13227194 is about 236.4953328032.

The spelling of 13227194 in words is "thirteen million, two hundred twenty-seven thousand, one hundred ninety-four".