13674491 has 4 divisors (see below), whose sum is σ = 13809984. Its totient is φ = 13539000.

The previous prime is 13674413. The next prime is 13674539. The reversal of 13674491 is 19447631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19447631 = 7 ⋅2778233.

It is a cyclic number.

It is not a de Polignac number, because 13674491 - 2¹⁰ = 13673467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13674391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67595 + ... + 67796.

It is an arithmetic number, because the mean of its divisors is an integer number (3452496).

Almost surely, 2^13674491 is an apocalyptic number.

13674491 is a deficient number, since it is larger than the sum of its proper divisors (135493).

13674491 is a wasteful number, since it uses less digits than its factorization.

13674491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135492.

The product of its digits is 18144, while the sum is 35.

The square root of 13674491 is about 3697.9035952821. The cubic root of 13674491 is about 239.1316478544.

The spelling of 13674491 in words is "thirteen million, six hundred seventy-four thousand, four hundred ninety-one".