13416447 has 8 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 8131160.

The previous prime is 13416341. The next prime is 13416457. The reversal of 13416447 is 74461431.

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 13416447 - 2¹⁸ = 13154303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13416457) 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, 203247 + ... + 203312.

It is an arithmetic number, because the mean of its divisors is an integer number (2439360).

Almost surely, 2^13416447 is an apocalyptic number.

13416447 is a deficient number, since it is larger than the sum of its proper divisors (6098433).

13416447 is a wasteful number, since it uses less digits than its factorization.

13416447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406573.

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

The square root of 13416447 is about 3662.8468436450. The cubic root of 13416447 is about 237.6179107960.

Adding to 13416447 its reverse (74461431), we get a palindrome (87877878).

The spelling of 13416447 in words is "thirteen million, four hundred sixteen thousand, four hundred forty-seven".