13438417 has 4 divisors (see below), whose sum is σ = 14022720. Its totient is φ = 12854116.

The previous prime is 13438409. The next prime is 13438429. The reversal of 13438417 is 71483431.

13438417 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13438417 - 2³ = 13438409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13435417) 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, 292117 + ... + 292162.

It is an arithmetic number, because the mean of its divisors is an integer number (3505680).

Almost surely, 2^13438417 is an apocalyptic number.

It is an amenable number.

13438417 is a deficient number, since it is larger than the sum of its proper divisors (584303).

13438417 is an equidigital number, since it uses as much as digits as its factorization.

13438417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584302.

The product of its digits is 8064, while the sum is 31.

The square root of 13438417 is about 3665.8446502818. The cubic root of 13438417 is about 237.7475431920.

The spelling of 13438417 in words is "thirteen million, four hundred thirty-eight thousand, four hundred seventeen".