13443674 has 16 divisors (see below), whose sum is σ = 20493000. Its totient is φ = 6613824.

The previous prime is 13443671. The next prime is 13443701. The reversal of 13443674 is 47634431.

It can be written as a sum of positive squares in 4 ways, for example, as 13432225 + 11449 = 3665^2 + 107^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13443674.

It is not an unprimeable number, because it can be changed into a prime (13443671) 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 in 7 ways as a sum of consecutive naturals, for example, 58592 + ... + 58820.

Almost surely, 2^13443674 is an apocalyptic number.

13443674 is a deficient number, since it is larger than the sum of its proper divisors (7049326).

13443674 is a wasteful number, since it uses less digits than its factorization.

13443674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its digits is 24192, while the sum is 32.

The square root of 13443674 is about 3666.5616045554. The cubic root of 13443674 is about 237.7785407888.

The spelling of 13443674 in words is "thirteen million, four hundred forty-three thousand, six hundred seventy-four".