13443734 has 4 divisors (see below), whose sum is σ = 20165604. Its totient is φ = 6721866.

The previous prime is 13443709. The next prime is 13443737. The reversal of 13443734 is 43734431.

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

It is a junction number, because it is equal to n+sod(n) for n = 13443697 and 13443706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443737) 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, 3360932 + ... + 3360935.

It is an arithmetic number, because the mean of its divisors is an integer number (5041401).

Almost surely, 2^13443734 is an apocalyptic number.

13443734 is a deficient number, since it is larger than the sum of its proper divisors (6721870).

13443734 is an equidigital number, since it uses as much as digits as its factorization.

13443734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721869.

The product of its digits is 12096, while the sum is 29.

The square root of 13443734 is about 3666.5697865989. The cubic root of 13443734 is about 237.7788945286.

The spelling of 13443734 in words is "thirteen million, four hundred forty-three thousand, seven hundred thirty-four".