13432226 has 4 divisors (see below), whose sum is σ = 20148342. Its totient is φ = 6716112.

The previous prime is 13432213. The next prime is 13432229. The reversal of 13432226 is 62223431.

It is a Cunningham number, because it is equal to 3665²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62223431 = 53 ⋅1174027.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 1 = 3665^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (13432229) 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, 3358055 + ... + 3358058.

Almost surely, 2^13432226 is an apocalyptic number.

13432226 is a deficient number, since it is larger than the sum of its proper divisors (6716116).

13432226 is an equidigital number, since it uses as much as digits as its factorization.

13432226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716115.

The product of its digits is 1728, while the sum is 23.

The square root of 13432226 is about 3665.0001364256. Note that the first 3 decimals coincide. The cubic root of 13432226 is about 237.7110279504.

Adding to 13432226 its reverse (62223431), we get a palindrome (75655657).

The spelling of 13432226 in words is "thirteen million, four hundred thirty-two thousand, two hundred twenty-six".