13644417 has 8 divisors (see below), whose sum is σ = 18285696. Its totient is φ = 9049712.

The previous prime is 13644403. The next prime is 13644427. The reversal of 13644417 is 71444631.

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

It is a cyclic number.

It is not a de Polignac number, because 13644417 - 2¹² = 13640321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13644427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (2285712).

Almost surely, 2^13644417 is an apocalyptic number.

It is an amenable number.

13644417 is a deficient number, since it is larger than the sum of its proper divisors (4641279).

13644417 is a wasteful number, since it uses less digits than its factorization.

13644417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23287.

The product of its digits is 8064, while the sum is 30.

The square root of 13644417 is about 3693.8349990220. The cubic root of 13644417 is about 238.9562135666.

The spelling of 13644417 in words is "thirteen million, six hundred forty-four thousand, four hundred seventeen".