13211434 has 4 divisors (see below), whose sum is σ = 19817154. Its totient is φ = 6605716.

The previous prime is 13211423. The next prime is 13211437. The reversal of 13211434 is 43411231.

13211434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43411231 = 29 ⋅1496939.

It can be written as a sum of positive squares in only one way, i.e., 11923209 + 1288225 = 3453^2 + 1135^2 .

It is not an unprimeable number, because it can be changed into a prime (13211437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302857 + ... + 3302860.

Almost surely, 2^13211434 is an apocalyptic number.

13211434 is a deficient number, since it is larger than the sum of its proper divisors (6605720).

13211434 is an equidigital number, since it uses as much as digits as its factorization.

13211434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6605719.

The product of its digits is 288, while the sum is 19.

The square root of 13211434 is about 3634.7536367682. The cubic root of 13211434 is about 236.4013686131.

Adding to 13211434 its reverse (43411231), we get a palindrome (56622665).

The spelling of 13211434 in words is "thirteen million, two hundred eleven thousand, four hundred thirty-four".