13669426 has 8 divisors (see below), whose sum is σ = 20640384. Its totient is φ = 6789300.

The previous prime is 13669423. The next prime is 13669459. The reversal of 13669426 is 62496631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13669423) 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, 22330 + ... + 22933.

It is an arithmetic number, because the mean of its divisors is an integer number (2580048).

Almost surely, 2^13669426 is an apocalyptic number.

13669426 is a deficient number, since it is larger than the sum of its proper divisors (6970958).

13669426 is a wasteful number, since it uses less digits than its factorization.

13669426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45416.

The product of its digits is 46656, while the sum is 37.

The square root of 13669426 is about 3697.2186843626. The cubic root of 13669426 is about 239.1021196044.

The spelling of 13669426 in words is "thirteen million, six hundred sixty-nine thousand, four hundred twenty-six".