13443134 has 4 divisors (see below), whose sum is σ = 20164704. Its totient is φ = 6721566.

The previous prime is 13443113. The next prime is 13443137. The reversal of 13443134 is 43134431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360782 + ... + 3360785.

It is an arithmetic number, because the mean of its divisors is an integer number (5041176).

Almost surely, 2^13443134 is an apocalyptic number.

13443134 is a deficient number, since it is larger than the sum of its proper divisors (6721570).

13443134 is an equidigital number, since it uses as much as digits as its factorization.

13443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721569.

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

The square root of 13443134 is about 3666.4879653423. The cubic root of 13443134 is about 237.7753570824.

Adding to 13443134 its reverse (43134431), we get a palindrome (56577565).

The spelling of 13443134 in words is "thirteen million, four hundred forty-three thousand, one hundred thirty-four".